Classic Eggs Florentine

The Ultimate Guide to Classic Eggs Florentine with Creamy Mornay Sauce

Florentine Eggs with Spinach, often simply called Eggs a la Florentine, offers an exquisitely easy and elegant way to transform humble hard-boiled eggs into a truly memorable dish. Whether you’re planning a sophisticated brunch, a hearty breakfast, or a light yet satisfying lunch, this recipe delivers on flavor and presentation. Picture perfectly cooked eggs nestled on a vibrant bed of tender spinach, all generously draped in a luscious, homemade Mornay sauce infused with tangy sour cream and rich Gruyère cheese. A quick visit under the grill then transforms it into a golden, bubbly gratin, creating a symphony of textures and tastes that is simply irresistible. This classic French-inspired dish promises a delightful culinary experience that’s surprisingly simple to achieve at home.

A white baking dish filled with Egg a la Florentine, au gratin, on a white background. A pink white tea towel and spinach leaves in the background
A close-up of a white baking dish showcasing beautifully gratinéed Eggs Florentine, ready to be served. The rich Mornay sauce and fresh spinach create a tempting visual.

This delightful brunch recipe features eggs cooked to a tender, slightly soft perfection, providing a wonderful contrast to the textures of the dish. The fresh spinach is quickly blanched to retain its vibrant color and delicate flavor, then gently sautéed with a touch of butter, before being arranged in a casserole dish alongside the prepared eggs. The star of this dish, however, is undoubtedly the homemade Mornay sauce. Crafted with a classic roux of butter and flour, enriched with milk, a creamy egg yolk, and a hint of sour cream, then elevated by the nutty, savory notes of Gruyère cheese, this sauce binds all the elements together into a cohesive and utterly delicious whole. This recipe truly embodies the rich tradition of French cuisine, bringing a taste of classic European elegance to your table.

Why is this recipe called Florentine? Unraveling the History of Spinach in French Cuisine

The term “Florentine” in a recipe almost universally signals the inclusion of spinach, and its roots are deeply intertwined with a fascinating historical anecdote. Traditional culinary lore credits Catherine de’ Medici, an Italian noblewoman who married Prince Henry of France in 1533, with introducing spinach to French cuisine. Born in Florence, Italy, Catherine brought her Tuscan culinary traditions and a team of Italian chefs with her to the French court. It’s believed that many dishes prepared with spinach in France were subsequently named “à la Florentine” in tribute to her Florentine heritage.

While the exact historical evidence for Catherine de’ Medici personally introducing spinach is somewhat debated by food historians, her influence on French gastronomy is undeniable. She certainly popularized many Italian ingredients and cooking methods, and the association of “Florentine” with spinach has remained a steadfast culinary tradition. In France, you’ll find numerous “Florentine” recipes, all featuring this verdant leafy green. For example, common dishes include fried Florentine spinach served with eggs, Florentine omelets enriched with cheese and spinach, or even Florentine chicken prepared with a creamy spinach accompaniment. This enduring nomenclature highlights the significant cultural exchange that shaped French cooking centuries ago, making Eggs Florentine a dish with a rich story as well as rich flavor.

Eggs Benedict vs. Eggs Florentine: Clarifying the Culinary Confusion

Eggs Benedict is arguably one of the most famous egg dishes globally, originating in America, while Eggs Florentine is a classic with French influences. Despite their shared popularity as brunch staples and both featuring eggs topped with a rich, creamy sauce, these two dishes are distinct and often confused. Understanding their key differences will help you appreciate each one individually.

  • Eggs Benedict: This iconic dish typically consists of perfectly poached eggs served atop toasted English muffin halves, traditionally accompanied by slices of Canadian bacon (or ham). The entire assembly is then generously smothered in a rich, velvety Hollandaise sauce. The absence of spinach and the inclusion of a cured meat are the primary distinguishing factors.
  • Eggs Florentine: In contrast, Eggs Florentine features eggs (which can be either poached or boiled, depending on preference and tradition) served on a bed of sautéed or creamed spinach. The sauce can be either Hollandaise or, as in our recipe, the equally delicious Mornay sauce. The critical element defining “Florentine” is the spinach, making it a vegetarian-friendly option, typically without any added meat.

So, while both dishes offer a delightful combination of eggs and sauce, remember: if it has spinach, it’s Florentine; if it has bacon (or ham) and no spinach, it’s Benedict. Beyond these two, there are many other delightful variations within the “Eggs Benedict” family, such as Eggs Mornay (sometimes used interchangeably with Florentine if it includes spinach and Mornay sauce, but generally refers to poached eggs with Mornay sauce and no spinach), Eggs Blackstone (with bacon and tomato), and Eggs Blanchard (with chicken or turkey), each offering its own unique twist on the classic concept.

Poached or Boiled Eggs for Eggs Florentine? A Matter of Preference and Practicality

When preparing Eggs Florentine, one of the main decisions involves how to cook the eggs: poached or boiled. Recipes found in cookbooks or online often differ significantly on this point, and each method offers distinct advantages. For this particular recipe, we’ve opted for soft-boiled or hard-boiled eggs, and there are several compelling reasons why this choice enhances the dish’s versatility and ease of preparation.

The Case for Boiled Eggs (Soft or Hard-Boiled):

  • Preparation in Advance: Boiled eggs can be prepared up to two days ahead of time, making them a fantastic option for entertaining or meal prepping. This significantly reduces last-minute stress.
  • Ease for Large Gatherings: Cooking a batch of boiled eggs is far simpler and more efficient than poaching multiple eggs individually, making this recipe ideal for serving more than six people without extensive effort.
  • User-Friendly: Boiling eggs is a more straightforward technique compared to poaching, resulting in consistent outcomes even for novice cooks.
  • Versatility for All Ages: When eggs are boiled to a firm consistency, the yolk solidifies. This makes the dish more suitable for young children and the elderly, who may prefer or require fully cooked yolks for safety and dietary reasons.

The Art of Poached Eggs:

Poached eggs, on the other hand, are created by carefully breaking an egg into simmering water, often with a gentle swirl to help the white coalesce around the yolk. This method is often considered one of the more challenging techniques for egg preparation, but when done correctly, it yields a beautifully delicate egg with a wonderfully runny yolk that oozes perfectly when cut. While incredibly delicious and visually appealing, poached eggs come with their own set of considerations:

  • Skill and Timing: Achieving the perfect poached egg requires practice and precise timing.
  • Batch Cooking: Poaching many eggs simultaneously can be difficult, as overcrowding the pot can lower the water temperature and lead to uneven cooking.
  • Dietary Suitability: The runny yolk of a poached egg is not always suitable for the elderly or young children, particularly if there are concerns about consuming undercooked food.

However, if the allure of a classic runny poached egg is too strong to resist, you can certainly adapt this recipe. For detailed instructions on how to make perfect poached eggs, which can then be used in your Eggs Florentine, refer to specialized guides. Ultimately, the choice between poached and boiled eggs depends on your personal preference for texture, your skill level, and the specific needs of your diners.

Mornay vs. Hollandaise Sauce: The Creamy Heart of Eggs Florentine

The choice of sauce is paramount in elevating Eggs Florentine from a simple egg and spinach dish to a culinary masterpiece. While both Mornay and Hollandaise sauces are often used, they offer distinct flavor profiles and preparation methods. Interestingly, despite its name, Hollandaise sauce, much like Mornay, proudly traces its origins back to French cuisine. Let’s delve into the differences between these two classic sauces.

Hollandaise Sauce: The Tangy Emulsion

Hollandaise sauce is a rich, buttery emulsion, famously one of the five mother sauces of classical French cuisine. It is meticulously prepared with egg yolks, a touch of acid (typically lemon juice or white wine vinegar), and a substantial amount of clarified butter. Similar to mayonnaise, which is an emulsion of oil and egg yolk, Hollandaise relies on the careful whisking of egg yolks while slowly incorporating melted butter. This process creates a stable, creamy sauce with a light, airy texture.

  • Ingredients: Egg yolks, clarified butter, lemon juice/vinegar, salt, and pepper.
  • Preparation: Requires careful temperature control and continuous whisking over a double boiler to prevent the eggs from scrambling or the emulsion from breaking.
  • Flavor Profile: Rich, tangy, and intensely buttery with a smooth finish.
  • Butter Content: Very high, making it quite decadent.

Mornay Sauce: The Cheesy Béchamel

Mornay sauce is a delicious derivative of another French mother sauce: Béchamel. A Béchamel sauce is a simple white sauce made from a roux (butter and flour cooked together) and milk. To transform it into a Mornay, grated cheese is added, traditionally Gruyère, though Emmentaler or a blend of other semi-hard cheeses can also be used. The addition of cheese makes Mornay incredibly rich and satisfying.

  • Ingredients: Butter, flour, milk, cheese (typically Gruyère), often an egg yolk or cream for extra richness, salt, and pepper.
  • Preparation: Generally easier to prepare and more stable than Hollandaise. The roux is cooked, milk is whisked in to create a thick Béchamel, and then cheese is melted in. An egg yolk is often added off the heat for extra creaminess and richness.
  • Flavor Profile: Creamy, cheesy, savory, with a comforting depth. The Gruyère provides a distinctive nutty flavor.
  • Butter Content: Significantly less butter compared to Hollandaise, making it a slightly lighter (though still rich) option.
  • Gratin Potential: Mornay sauce browns beautifully under a grill or broiler, creating a delectable golden-brown gratin crust – a perfect finish for Eggs Florentine.

For Eggs Florentine, Mornay sauce is often preferred for its robust cheesy flavor and its ability to create that enticing gratin top, adding an extra layer of texture and savory depth to the dish. While Hollandaise offers a lighter, tangier contrast, Mornay provides a comforting, hearty embrace that truly completes the Florentine experience.

Creative Substitutions and Delicious Variations for Eggs Florentine

While the classic Eggs Florentine recipe is irresistibly delicious in its traditional form, the beauty of cooking lies in its flexibility. Don’t hesitate to experiment with substitutions and variations to tailor this dish to your taste, dietary needs, or what you have available in your pantry. Here are some ideas to inspire your culinary creativity:

  • Poached Eggs for a Classic Touch: If you adore the runny yolk of a poached egg, feel free to substitute the boiled eggs. You can even serve them open-faced on toasted bread with steamed spinach, then spoon over some Mornay sauce and briefly broil for 5 minutes until golden. This offers a delightful variation reminiscent of a gourmet sandwich. Detailed instructions for making perfect poached eggs are readily available to guide you.
  • Elevate with Smoked Salmon (Eggs Royale): For an even more luxurious and indulgent experience, replace the spinach with slices of high-quality smoked salmon. This popular variation is known as Eggs Royale (or Eggs Copenhagen in some regions). Be aware that this substitution will, of course, make the recipe no longer vegetarian, but it introduces a wonderful savory depth and elegant flavor that’s perfect for a special occasion.
  • Cheese Swaps for Mornay Sauce: The Gruyère cheese in the Mornay sauce provides a distinct nutty and savory profile. However, you can easily experiment with other types of cheese. Emmentaler cheese is a fantastic alternative, offering a similar mild, nutty flavor and excellent melting properties. For a sharper taste, consider a good quality cheddar or a blend of Parmesan and mozzarella for a different cheesy experience.
  • Gluten-Free Flour Options: To make this recipe suitable for those with gluten sensitivities, the flour used to create the roux for the Mornay sauce can be easily substituted. Replace all-purpose flour with an equal amount of gluten-free all-purpose flour blend, or use corn flour (cornstarch) for thickening. If using corn flour, mix it with a small amount of cold milk or water before adding to the butter to prevent lumps.
  • Alternate Greens: While spinach is traditional, don’t be afraid to experiment with other leafy greens. Swiss chard, kale (ensure it’s massaged or blanched to tenderize), or even a delicate lamb’s lettuce could provide interesting textural and flavor variations. Remember to adjust cooking times accordingly.
  • Add a Protein Boost: If you’re looking for a heartier meal, consider adding cooked ham, thinly sliced turkey, or even leftover shredded chicken beneath the eggs and spinach. This transforms the dish into a more substantial entrée.

These variations demonstrate the adaptability of Eggs Florentine, allowing you to personalize this classic dish and explore new flavor combinations while maintaining its comforting and elegant essence.

Expert Tips for Perfect Eggs Florentine

Achieving a restaurant-quality Eggs Florentine at home is entirely within reach with a few key techniques and considerations. These tips will help you master each component of the dish, from perfectly cooked eggs to a silky, lump-free Mornay sauce, ensuring a delightful culinary experience.

  • Mastering Your Eggs: For the soft-boiled eggs specified in this recipe, precision in cooking time is crucial. Aim for approximately 5 minutes for a perfectly jammy yolk that is still tender but not overly runny. If you prefer a firmer yolk, extend the cooking time slightly. For a step-by-step guide to achieving consistently perfect hard-boiled (or soft-boiled) eggs, refer to this detailed plan. Proper cooling and peeling techniques will also make the process smoother.
  • Efficient Spinach Washing: Cleaning leafy greens, especially spinach, can sometimes feel like a chore due to hidden grit. Here’s an effective and easy method:
    1. Fill a large basin or a clean sink with ice-cold water.
    2. Add 1 tablespoon of salt to the water and stir to dissolve.
    3. Submerge your fresh spinach leaves in the salty ice water and gently agitate them with your hands.
    4. Let the spinach stand for five minutes. The cold water will help crisp the leaves, while the salt will encourage any sand or dirt to sink to the bottom and bugs to float to the surface.
    5. Carefully lift the spinach out of the water, leaving any sediment behind. Do not pour the water out with the spinach, as this will redeposit the dirt.
    6. Rinse the basin and refill it with fresh cold water. Repeat the process twice more to ensure all salt and any remaining tiny sand particles are thoroughly removed.

    This method ensures sparkling clean spinach that’s ready for cooking.

  • Roux Essentials for a Smooth Mornay: The roux is the foundation of your creamy Mornay sauce, and getting it right prevents a lumpy or floury-tasting sauce.
    • Melt and Combine: Start by melting the butter in a saucepan over medium heat. Once fully melted, add the flour all at once.
    • Cook Out the Flour Taste: Stir constantly with a wooden spatula or spoon. It’s crucial to cook this butter-flour mixture for at least 2 minutes. This step eliminates the raw flour taste, which can otherwise ruin your sauce. The roux should remain pale, not brown, for a white sauce.
    • Switch to a Whisk: When it’s time to add the liquid (milk, in this case), switch from a wooden spoon to a whisk. This will help break up any small lumps immediately and create a smooth sauce.
    • Cold Liquid, Warm Roux: A classic trick to prevent lumps is to add cold liquid (cold milk) to your warm roux. The temperature difference helps the flour particles separate and absorb the liquid without clumping. Gradually pour in the milk while whisking vigorously until the sauce is smooth and thick.
  • Freshly Grated Cheese: Always opt for freshly grated Gruyère cheese rather than pre-shredded varieties. Pre-shredded cheese often contains anti-caking agents that can prevent it from melting smoothly, resulting in a grainy sauce. Freshly grated cheese melts beautifully, integrating seamlessly into your Mornay sauce for optimal creaminess and flavor.

Make-Ahead Magic: Streamlining Your Eggs Florentine Preparations

One of the beauties of this Eggs Florentine recipe is how accommodating it is to advance preparation. By tackling some of the components ahead of time, you can significantly reduce stress and assembly time on the day you plan to serve it, making it perfect for entertaining or a relaxed weekend brunch. Here’s how you can get a head start:

  • Cook the Eggs: Your eggs can be boiled up to two days in advance. Once cooked, gently peel them under cool running water (this helps remove shells cleanly) and store them in an airtight container in the refrigerator. This ensures they’re ready to go when you are.
  • Wash the Spinach: The day before, thoroughly wash your fresh spinach using the detailed method described in our “Expert Tips” section. After washing, gently pat the spinach dry with a clean kitchen towel or use a salad spinner. Store the clean, dry spinach in an airtight container or a sealed bag, placing a slightly damp paper towel inside to maintain freshness and prevent the leaves from drying out. This keeps your spinach vibrant and ready for sautéing.
  • Grate the Cheese: Grating cheese can be messy and time-consuming. You can grate all the necessary Gruyère (or your chosen cheese) up to three days in advance. Store the grated cheese in an airtight container in the refrigerator to keep it fresh and flavorful. This small step saves valuable time on cooking day.
  • Mornay Sauce (Partial Prep): While Mornay sauce is best served fresh for optimal texture, you can prepare the béchamel base (butter, flour, milk) a day ahead. Let it cool completely, then store it in an airtight container in the refrigerator with a piece of plastic wrap pressed directly onto the surface to prevent a skin from forming. When ready to use, gently reheat over low heat, whisking until smooth, then proceed with adding the egg yolk, sour cream, and cheese. This ensures a fresh-tasting sauce without starting from scratch.

By preparing these components in advance, you can enjoy a more relaxed cooking experience and focus on the final assembly and gratin process, ensuring a perfectly executed and stress-free Eggs Florentine.

Budget-Friendly Eggs Florentine: Enjoying Elegance Without Breaking the Bank

Eggs Florentine, while feeling luxurious, can be quite economical with a few smart adjustments. This dish, at its heart, relies on affordable staples like eggs and spinach. Here’s how you can enjoy this elegant meal without straining your budget:

  • Optimize Egg Size and Serving: Using medium-sized eggs can be a cost-effective choice compared to large or extra-large, especially if you’re serving a crowd. To make the dish more filling and extend it further, serve it alongside crusty bread, toast, or even homemade cornbread. This ensures everyone feels satisfied with fewer (or smaller) individual portions of the main dish.
  • Embrace Frozen Spinach: Fresh spinach can sometimes be pricier, especially out of season. Frozen spinach is a fantastic, budget-friendly alternative that’s equally nutritious and convenient. To use frozen spinach, simply defrost it in a colander or strainer, pressing out as much excess water as possible. This prevents the dish from becoming watery and ensures concentrated spinach flavor.
  • Cheese Alternatives: While Gruyère cheese offers a distinct flavor, it can be expensive. For a more budget-friendly option, consider replacing Gruyère with a good quality Gouda cheese, which still melts well and offers a pleasant mild, nutty flavor. Even a sharp cheddar or a blend of other affordable melting cheeses can work, altering the flavor profile slightly but still delivering a delicious cheesy gratin.
  • Omit or Substitute Sour Cream: If sour cream isn’t a pantry staple or you want to save a few pennies, you can omit it from the Mornay sauce. The sauce will still be wonderfully creamy from the béchamel and cheese. If you desire a touch of tanginess, a very small splash of lemon juice or white vinegar can be added to the sauce, or use an equal amount of plain Greek yogurt for a similar creamy texture and tartness, if you have it on hand.

By implementing these budget-friendly tips, you can enjoy the sophisticated flavors of Eggs Florentine without compromising on taste or quality, proving that delicious meals don’t always have to be expensive.

Storage and Leftovers: Maximizing Flavor and Minimizing Waste

Proper storage and handling of leftovers are crucial, especially for dishes containing spinach and dairy. Here’s how to manage your Eggs Florentine to ensure safety and prevent waste:

  • Reheating Eggs Florentine: This recipe contains cooked spinach, which, when improperly stored or reheated, can produce nitrates that are best avoided. Therefore, it is generally not recommended to reheat the entire assembled Eggs Florentine dish. Instead, it’s best consumed fresh. To prevent waste, it’s advisable to adjust the amount you prepare to the number of people you are serving. If you do find yourself with leftovers and choose to reheat, ensure it’s heated thoroughly and quickly to a safe temperature, but be aware that the texture may suffer.
  • Leftover Mornay Sauce: If you happen to have leftover Mornay sauce that wasn’t used in the gratin, don’t let it go to waste! This versatile sauce is perfect for creating other delicious dishes:
    • Croque Madame: Make a classic grilled ham and cheese sandwich (a Croque Monsieur), then top it with a generous layer of leftover Mornay sauce and broil until bubbly and golden. For a true Croque Madame, add a fried egg on top!
    • Lasagna: Mornay sauce makes an excellent creamy layer in place of or in addition to ricotta in your favorite lasagna recipe. It adds incredible richness and cheesy flavor to baked pasta dishes, such as this homemade lasagna.
    • Vegetable Gratin: Toss steamed vegetables like cauliflower, broccoli, or potatoes with the leftover Mornay sauce, top with extra cheese, and bake until golden for a quick and comforting side dish.
  • Leftover Sour Cream: Many recipes, including this one, use only a portion of a standard sour cream container. Here are some excellent ways to use up the remainder:
    • Creamier Soups: Stir a dollop of sour cream into hot soups (like tomato, potato, or borscht) just before serving to add a rich, creamy texture and a subtle tang.
    • Quick Tartare Sauce: Combine sour cream with finely chopped pickles (cornichons), capers, fresh dill, lemon juice, and a pinch of salt and pepper for a quick and delicious tartare sauce that’s perfect with fish. This is highly recommended!
    • Taco Topping: Serve sour cream with tacos, burritos, or enchiladas alongside a homemade salsa for a cooling and creamy contrast.
    • Baked Potato Topping: A classic pairing, a spoonful of sour cream elevates any baked potato.

Delicious Serving Suggestions to Complement Your Eggs Florentine

Eggs Florentine is a versatile dish that can be served as the star of a meal or as part of a larger spread. Here are some fantastic accompaniments to make your dining experience even more delightful:

  • Homemade Cornbread: The sweet and savory notes of freshly baked cornbread pair wonderfully with the creamy, rich Eggs Florentine. Plus, the aroma of homemade bread filling your kitchen is simply irresistible!
  • Fresh, Crusty Bread: A simple baguette or a rustic artisan loaf is perfect for soaking up any leftover Mornay sauce and yolk.
  • Homemade Croissants: For a truly authentic French breakfast or brunch experience, light, flaky homemade croissants are an absolute must.
  • Povotica: If you’re looking for a sweet counterpoint, this delicious sweet bread with a rich walnut filling offers a lovely contrast to the savory Florentine.
  • Grilled Sandwich with Camembert: For a heartier meal, a warm grilled sandwich featuring gooey Camembert cheese makes an indulgent side.
  • Fresh Fruit Salad: A vibrant mix of seasonal fruits provides a light, refreshing, and healthy contrast to the richness of the Eggs Florentine.
  • Simple Green Salad: For lunch, a lightly dressed green salad with a vinaigrette can cut through the richness and add a refreshing element to the meal.
  • Roasted Asparagus or Cherry Tomatoes: A simple side of roasted vegetables can add color and additional nutrients.
A white casserole filled with spinach, eggs, Mornay sauce and Gruyere gratin. A pink-white cloth in the back.
Another enticing view of the gratinéed Eggs Florentine in a white casserole dish, highlighting the golden-brown cheese topping and the vibrant green spinach.

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A square photo showing a white baking dish filled with egg au gratin on a bed of spinach.
Florentine Eggs with Spinach

img 116513 4Andréa

This recipe for Eggs Florentine with Spinach (also known as Eggs a la Florentine) provides an easy and elegant way to create a delicious side dish, perfect for any brunch, breakfast, or lunch. Enjoy tender eggs placed on a vibrant bed of sautéed spinach, all smothered in a rich, creamy homemade Mornay sauce featuring sour cream and nutty Gruyère cheese. A quick finish under the grill creates a tantalizing gratin that is absolutely delicious!

5 of 16 votes
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Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes

Course Breakfast, Dinner, Lunch
Cuisine European Cuisine, French

Servings 6 persons
Calories 301 kcal

Equipment

  • Oven-safe baking dish or individual gratin dishes
  • Conventional oven with grill/broiler function
  • Saucepan for Mornay sauce
  • Whisk
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Ingredients

  • 1 teaspoon salt
  • ½ pound fresh spinach, washed
  • ½ stick butter, unsalted
  • 6 eggs, hard-boiled and peeled
  • 2 ounces Gruyère cheese, grated

Mornay sauce

  • 1 ounce butter, unsalted, 2 tablespoons
  • 2 tablespoons all-purpose flour
  • 1 cup milk, cold
  • salt and pepper
  • 1 egg yolk
  • â…“ cup sour cream
  • 1 ounce Gruyère cheese, grated

All my recipes are written both in Metric (gram / ml) and US Customary (cups / pounds). Here you can select which type of amount you would like to see.

Metric – US Customary

Instructions

Spinach Preparation

  • In a large pot, bring water to a boil and add the salt.
    1 teaspoon salt
  • Meanwhile, melt ½ stick of unsalted butter in a large skillet over medium heat, ensuring it doesn’t brown.
    ½ stick butter
  • Once the salted water is boiling, add the washed fresh spinach.
    ½ pound fresh spinach
  • As soon as the water returns to a boil (the spinach will quickly wilt), quickly remove the spinach using a slotted spoon.
  • Transfer the blanched spinach to the skillet with the melted butter and cook until it is completely wilted and any excess moisture has evaporated.

Mornay Sauce Preparation

  • In a separate saucepan, melt 1 ounce (2 tablespoons) of unsalted butter over medium heat, taking care not to let it brown.
    1 ounce butter
  • Add 2 tablespoons of all-purpose flour to the melted butter. Stir continuously with a wooden spoon for at least 2 minutes. This creates a roux, cooking out the raw flour taste while keeping it white and preventing burning.
    2 tablespoons all-purpose flour
  • Gradually pour the cold milk into the warm butter-flour mixture while continuously whisking to prevent lumps. Bring the sauce to a gentle boil, stirring constantly, until it thickens.
    1 cup milk
  • In a small, separate bowl, whisk together the egg yolk and sour cream until well combined.
    1 egg yolk, â…“ cup sour cream
  • Once the sauce has thickened, remove it from the heat. Gradually whisk in a small amount of the hot sauce into the egg yolk mixture (to temper it), then pour the tempered egg mixture back into the saucepan with the remaining sauce. Cook for about 1 minute over very low heat, stirring constantly, ensuring it doesn’t boil.
  • Remove the saucepan completely from the heat. Stir in 1 ounce of grated Gruyère cheese until it melts smoothly into the sauce. Season generously with salt and pepper to taste.
    salt and pepper, 1 ounce Gruyère cheese

Assemble and Gratinate the Eggs Florentine

  • Preheat your oven’s grill or broiler to high.
  • Transfer the cooked spinach to an oven-safe baking dish (or individual gratin dishes) and spread it evenly to form a bed.
  • Season the spinach lightly with additional salt and pepper, to your preference.
  • Arrange the 6 peeled, hard-boiled eggs on top of the spinach bed. Then, generously pour the prepared Mornay sauce over the eggs and spinach, ensuring everything is well coated.
    6 eggs
  • Sprinkle the remaining 2 ounces of grated Gruyère cheese evenly over the sauce. Place the baking dish under the preheated grill/broiler for approximately 10 minutes, or until the cheese is melted, bubbly, and beautifully golden brown. Keep a close eye on it to prevent burning – the cheese should be browned, not charred. Serve immediately and enjoy!
    2 ounces Gruyère cheese

Notes

1. Washing Spinach: You can wash leafy vegetables such as spinach quickly and easily by stirring them in a bowl of ice-cold water, to which you have added one tablespoon of salt. Stir the leaves well and let them stand for five minutes. The sand will disappear to the bottom, and the salt causes any small bugs to float to the surface. Carefully remove the spinach from the water. Then, fill the container two more times with fresh cold water to remove any residual salt and the last bit of sand.

2. Eggs: For this recipe, we recommend soft to hard-boiled eggs. Achieving perfectly cooked eggs is very easy with this comprehensive recipe for perfectly hard-boiled eggs. Adjust cooking time to your desired yolk consistency.

3. Spinach Alternatives: While fresh spinach is traditional, you could also use other leafy greens such as Swiss chard or delicate lamb’s lettuce for a slightly different flavor and texture.

4. Gruyere Cheese Substitution: The Gruyère cheese can optionally be replaced with Emmentaler cheese for a similar nutty flavor, or other good melting cheeses like Gouda or a sharp cheddar for a different twist.

5. Flour for Roux: The flour and butter combine to form a roux, which is essential for thickening the Mornay sauce smoothly and preventing lumps. It’s crucial to cook the flour and butter mixture for at least 2 minutes to eliminate the raw flour taste; otherwise, your entire sauce will have an unpleasant flavor.

6. Roux Tips:

  • Melt the butter, then add the flour. Bake (cook) this mixture for at least 2 minutes, stirring constantly with a wooden spatula, to ensure the raw flour taste disappears. Make sure to scrape the flour from the bottom of the pan.
  • When adding the liquid (milk), switch to a whisk to prevent lumps.
  • Always add cold liquid to a warm flour mixture. This temperature contrast helps to create a smooth sauce without clumps. In this case, add cold milk to your warm flour-butter roux.

7. Storage and Reheating: This recipe contains spinach. Due to potential nitrate formation, it is generally not recommended to reheat the entire dish once it has been cooked and cooled. It is best enjoyed fresh. Therefore, try to adjust the amount you make to the number of people you are serving.

  • Leftover Mornay Sauce: Don’t discard any unused Mornay sauce! It’s excellent for making a Croque Madame (a grilled ham and cheese sandwich topped with sauce and often an egg). You can also use it as a rich, creamy layer to cover your favorite lasagna.
  • Leftover Sour Cream: If you have sour cream remaining from the jar, it’s very versatile. Use it to make soups creamier, prepare this fantastic quick tartare sauce recipe (highly recommended!), or serve it as a cool topping for tacos with a delicious homemade salsa.

8. Nutritional Value: The nutritional value provided is per serving, calculated assuming the Eggs Florentine with Spinach recipe is divided among six people.

Nutrition

Calories: 301kcalCarbohydrates: 6gProtein: 13gFat: 25gSaturated Fat: 14gPolyunsaturated Fat: 2gMonounsaturated Fat: 7gTrans Fat: 0.5gCholesterol: 255mgSodium: 699mgFiber: 1gSugar: 3gVitamin A: 4461IUVitamin C: 11mgIron: 2mg

Keyword a delicious brunch recipe, classic eggs florentine, eggs florentine recipe, gratin, mornay sauce, spinach eggs

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