Slow-Roasted Herb-Crusted BBQ Beef

Perfect Herb-Crusted BBQ Roast Beef: Your Ultimate Summer Grilling Guide

Welcome to your new summer obsession! This Herb-Crusted BBQ Roast Beef recipe is truly one of those culinary gems you try once and find yourself making year after year. It might sound like a dish reserved for expert chefs, but it’s surprisingly simple, requiring just a handful of fresh ingredients and minimal fuss. The result? An irresistibly tender, juicy roast beef with a perfectly flavorful, herb-packed crust that will impress everyone at your table.

Imagine a warm, sunny day, the gentle sizzle of the grill, and the aroma of herbs filling the air. This recipe is designed for those moments when you crave something extraordinary without spending hours slaving away in the kitchen. Slice it thinly for elegant salads, pile it high on sandwiches, or serve it as the magnificent centerpiece of your main meal. I particularly love pairing it with a classic German-style potato salad and a generous dollop of homemade herb butter. It’s guaranteed to be a showstopper every single time!

A perfectly cooked roast beef with three slices expertly cut, revealing its tender, pink interior.
Tender, juicy slices of herb-crusted roast beef ready to be enjoyed.

Grilled Roast Beef with Garlic and Rosemary – BBQ Perfection

This grilled roast beef has earned its place as a cherished favorite in our home, especially during those magical warm summer evenings spent with cherished friends and family. I vividly recall the very first time I prepared it. The BBQ was fired up, a cool glass of wine in hand, and then that initial slice… oh, it was pure perfection! Each bite was incredibly juicy, exceptionally tender, and bursting with a symphony of fresh flavors that lingered deliciously on the palate.

What’s the secret to this mouthwatering masterpiece? It all begins with a vibrant, aromatic marinade. We combine fresh rosemary and thyme, pungent garlic, and just a hint of red chili for a subtle kick. This herb mixture is lovingly massaged into the meat, allowing the flavors to deeply penetrate and tenderize the beef. The magic then continues on the grill: a slow, gentle cook over indirect heat ensures an even, perfectly pink center, followed by a quick sear over high heat to achieve that irresistible, slightly crispy, herb-crusted exterior.

While a kamado grill or any BBQ with a lid makes achieving this indirect cooking method incredibly straightforward, don’t fret if you don’t have one! This recipe is wonderfully versatile. You can also achieve fantastic results using an Airfryer for a convenient, quicker alternative. This means delicious, herb-crusted roast beef is accessible to everyone, no matter your kitchen setup!

The Art of the Marinade: Flavor Deep Dive

The marinade is more than just a coating; it’s the heart of this recipe’s incredible flavor. Fresh rosemary and thyme bring earthy, piney notes that are classic complements to beef. Garlic adds a pungent depth, while the red chili introduces a gentle warmth that enhances the overall profile without overwhelming it. The olive oil acts as a carrier, helping these flavors seep into the meat while also promoting a beautiful crust during searing. Allowing the beef to marinate for at least 2 hours, or ideally overnight, makes all the difference in achieving that deep, infused taste.

Grilling Techniques for Succulent Roast Beef

Mastering the grill for roast beef is about understanding temperature zones. Indirect heat is crucial for slowly bringing the internal temperature of the beef up to perfection without burning the outside. Think of it like an outdoor oven. Once the internal temperature is reached (around 122°F / 50°C for a medium-rare finish), a quick blast over direct, high heat creates that sought-after crispy, savory crust. This two-stage cooking method ensures a perfectly cooked interior and a delicious exterior.

Top Tip for a Festive Spread

Elevate your summer feast by serving this magnificent roast beef on a grand BBQ platter. Surround it with colorful grilled veggie skewers, slices of warm, homemade focaccia, and a side of luxurious creamy herb butter. This combination not only tastes incredible but also creates a visually stunning spread that’s perfect for entertaining!

A photo from above of a succulent roast beef, artfully arranged on baking paper with fresh herbs, showcasing its rich texture and color.
The beautifully seared exterior of the roast beef, garnished with fresh herbs.

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📖 Recipe

RECIPE CARD

A square photo with slices of roast beef on baking paper with a piece cut off
Herb-Crusted BBQ Roast Beef 

Author's avatarAndréa

Make this incredibly juicy Herb-Crusted BBQ Roast Beef, infused with fresh rosemary and thyme. It’s wonderfully tender, packed with flavor, and surprisingly easy to prepare, whether on the grill or even in your air fryer.

5 of 34 votes
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Prep Time 5 minutes
Cook Time 1 hour
marinate 2 hours
Total Time 3 hours 5 minutes

Course Dinner
Cuisine Global / BBQ

Servings 2 persons
Calories 482 kcal
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Ingredients

  • 4 twigs fresh thyme, leaves only
  • 4 twigs fresh rosemary, leaves only
  • 1 clove garlic, minced or pressed
  • ½ red chili pepper, deseeded, finely chopped
  • 2 teaspoons sea salt
  • ½ teaspoon ground black pepper
  • 2 tablespoons olive oil
  • 1 ¼ pound Beef Roast (e.g., Top Round or Top Sirloin)

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.

Instructions

  • Combine the fresh thyme leaves, rosemary leaves, minced garlic, finely chopped red chili pepper, sea salt, ground black pepper, and olive oil in a mortar. Crush and grind everything together until a fragrant paste is formed.

    No mortar? No problem! You can achieve similar results by using a food processor to finely chop all the solid ingredients before mixing them thoroughly with the olive oil. Alternatively, finely chop everything by hand with a sharp knife and then combine to create your herb rub.

    4 twigs fresh thyme, 4 twigs fresh rosemary, 1 clove garlic, ½ red chili pepper, 2 teaspoons sea salt, ½ teaspoon ground black pepper, 2 tablespoons olive oil
  • Generously rub the prepared herb paste all over the entire beef roast, ensuring it’s evenly coated. Once coated, wrap the meat tightly in plastic wrap and place it in the refrigerator to marinate for a minimum of 2 hours. For the absolute best and deepest flavor, marinating overnight is highly recommended, as this allows the herbs to truly infuse into the meat.
    1 ¼ pound Beef Roast
  • Before you begin grilling, remove the roast beef from the refrigerator and let it sit at room temperature for 1 to 2 hours. This crucial step helps the meat cook more evenly, ensuring a consistent temperature throughout the roast and preventing the outside from overcooking while the inside remains cold.
  • Gently scrape off any excess loose herbs from the surface of the meat using kitchen towels. Alternatively, you can lightly rinse the meat under running water to remove larger pieces of herbs. After removing excess herbs, pat the meat thoroughly dry with paper towels. A dry surface is essential for achieving a good, crispy sear in the next step.
  • Preheat your BBQ to an internal temperature of 350°F (175°C) using indirect heat. This means positioning the meat on a part of the grill that does not have direct flame beneath it, cooking it in a closed BBQ. Insert a meat thermometer into the thickest part of the roast. Cook the beef until its internal core temperature reaches 122°F (50°C). This target temperature is ideal for a medium-rare finish. The cooking time will vary, typically taking about 45 to 90 minutes, depending on the thickness of your specific cut of meat and the consistency of your grill’s heat.
  • Once the desired internal temperature is reached (122°F / 50°C), move the beef over to direct, high heat on your grill. Sear each side for approximately 4 minutes. This crucial high-heat grilling step is what creates that irresistible, deeply flavorful, and slightly crispy crust on the exterior of your roast, adding another layer of texture and taste.
  • Immediately after searing, remove the roast from the grill. Wrap it loosely but securely in aluminum foil and allow it to rest for a minimum of 10 minutes. This resting period is absolutely essential as it allows the internal temperature to rise slightly (carry-over cooking) and, more importantly, permits the juices to redistribute throughout the meat, ensuring a tender and incredibly moist final product. After resting, thinly slice the roast against the grain.
  • To maximize tenderness, always slice the roast beef thinly against the grain. This technique helps to break up the long muscle fibers, making each bite incredibly tender and easy to chew. Serve your perfectly cooked, herb-crusted BBQ roast beef immediately and savor every delicious moment!

Notes

1. * Indirect Heating on the BBQ: When grilling, “indirect heating” means you’re cooking the meat (or fish) on a section of the grill that is not directly over the lit coals or burners. The heat circulates around the food, cooking it more gently and evenly, similar to an oven. Always keep your BBQ lid closed when cooking indirectly to maintain a consistent temperature. If your BBQ doesn’t have a lid, or if you prefer a quicker and easier indoor method, consider using an air fryer for the initial cooking phase until the desired core temperature is reached, then finish with a pan-sear for the crust.

2. Choosing Your Beef Roast: For this recipe, excellent choices include Top Round Roast (also known as Topside Roast in some regions) or Top Sirloin Roast (often called Rump Roast). Both cuts are well-suited for marinating and grilling this way, offering great flavor and texture when prepared correctly.

3. Preparing in the Air Fryer: If opting for an air fryer, preheat it to 350°F (180°C). Cook the beef for approximately 10 to 20 minutes, or until the internal core temperature registers 122°F (around 50°C) for medium-rare. Adjust cooking time based on the thickness of your roast and your air fryer model. You can then quickly sear it in a hot pan for a crust.

4. Knowing When Your Roast Beef is Done: The most accurate way to check doneness is with a meat thermometer. For a perfect medium-rare, aim for a core temperature of 122–127°F (50–53°C) while the meat is still on the heat. Remember, the temperature will rise a few degrees during the resting period. Always let the meat rest for at least 10 minutes after cooking to allow the juices to redistribute, ensuring maximum tenderness and juiciness.

5. Can I Prepare Roast Beef in Advance? Absolutely! The beauty of this recipe is that you can marinate the beef a full day (up to 24 hours) in advance. This not only saves time on the day of cooking but also allows the flavors to deepen significantly.

6. Storage & Reheating Tips:

  • Refrigerator: Ensure the roast beef has cooled down completely before storing. Place any leftovers in an airtight container and keep them in the fridge for up to 3 days.
  • Reheat: To gently reheat slices, wrap them loosely in aluminum foil and warm them in a preheated oven at a low temperature (around 210°F / 100°C) until just warmed through. Be careful not to overcook. Alternatively, thinly sliced cold roast beef is fantastic served as-is in salads, wraps, or sandwiches.

Nutrition

Calories: 482kcalCarbohydrates: 4gProtein: 62gFat: 24gSaturated Fat: 5gPolyunsaturated Fat: 2gMonounsaturated Fat: 14gCholesterol: 162mgSodium: 6628mgFiber: 1gSugar: 1gVitamin A: 1088IUVitamin C: 170mgIron: 7mg

Keyword bbq beef recipe, herb crusted roast beef, grilled beef

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