Ultimate Moist Dark Chocolate Zucchini Cake: Easy, No-Mixer Recipe for Pure Bliss
Welcome to a baking experience that truly proves vegetables and desserts are a match made in heaven. This Dark Chocolate Zucchini Cake is not just any cake; it’s a revelation. Prepare for a rich, intensely chocolatey flavor that will captivate your senses, complemented by an unbelievably moist and tender crumb that practically melts in your mouth. The best part? You won’t even need a stand mixer – a simple bowl and a spatula are all the tools required to bring this masterpiece to life. It consistently bakes to perfection, slices beautifully, and delivers pure, unadulterated chocolate bliss with every bite.
The secret to its exceptional texture lies in the humble zucchini, a stealthy ingredient that infuses the cake with unparalleled moisture without imparting any noticeable vegetable flavor. Paired with generous chunks of high-quality dark chocolate, this cake transforms into an indulgent treat that feels utterly luxurious, yet remains surprisingly straightforward to prepare. It’s the ideal bake for satisfying your sweet tooth while subtly incorporating a healthy touch.

A Family Favorite: Moist Zucchini Cake Rich with Deep Cocoa Flavor
I’ve baked this particular Chocolate Zucchini Cake countless times, and it has never once failed to impress. What started as a clever way to use up an abundance of zucchini from my summer garden quickly evolved into a cherished family staple. My kids adore the pockets of melted dark chocolate, and I especially love how this cake retains its incredible moisture for several days, making it perfect for lingering enjoyment. I frequently bake it as a delightful weekend treat, often serving it alongside a dollop of fresh whipped cream or a scoop of creamy vanilla ice cream.
For convenience and portion control, I sometimes bake the batter in cupcake form. These individual portions are fantastic for school lunchboxes, office snacks, or even impromptu gatherings. It’s a cake that might look unassuming at first glance, but it consistently delights everyone who tries it with its rich flavor and unbelievably moist texture. This recipe has been tried, tested, and perfected over many batches, so you can confidently trust it to yield fantastic results every single time you bake it.
Why Zucchini is Your Secret Weapon in Baking
For those new to the idea of baking with vegetables, the inclusion of zucchini might seem unusual, but it’s pure genius! Zucchini is a neutral-flavored vegetable, meaning it won’t impart any distinct taste to your chocolate cake. Instead, its high water content is released during baking, creating an incredibly moist crumb that’s far superior to cakes made with just butter or oil. It acts as a natural tenderizer, ensuring your cake stays fresh and delicious for longer. Plus, it’s a wonderful way to sneak in some extra goodness, making this indulgent treat feel a little less guilty.
Essential Ingredients for Your Dark Chocolate Zucchini Pound Cake
To craft this exceptional Dark Chocolate Zucchini Cake, you’ll need a selection of common pantry staples. For precise measurements, please refer to the detailed recipe card located at the very bottom of this post. A crucial tip for achieving the best possible texture and rise is to ensure all your perishable ingredients are at room temperature before you begin mixing!

- All-Purpose Flour: This forms the fundamental structure of our cake. Ensure it’s unbleached for the best flavor and texture.
- Granulated Sugar: Provides essential sweetness and also contributes to the cake’s tender crumb and moistness.
- Unsweetened Cocoa Powder: Opt for a good quality unsweetened cocoa powder (regular or Dutch-processed) to deliver that deep, rich chocolate flavor. The better the cocoa, the more intense the chocolate taste.
- Baking Soda and Baking Powder: These leavening agents work in harmony to give the chocolate zucchini cake its perfect rise and airy, light texture.
- Salt: A pinch of salt is vital for balancing the sweetness and enhancing all the delicious flavors in the cake, making the chocolate taste even richer.
- Cinnamon: This warm spice adds a sweet, woody aroma with subtle hints of citrus. It’s an incredible pairing with chocolate, elevating the overall flavor profile. If you’re feeling adventurous, a teaspoon of espresso powder can be substituted for an even deeper, mocha-like complexity.
- Large Eggs: Eggs act as a binder, holding the cake together, and contribute to its rich flavor and structure. Always use large (L-sized) eggs at room temperature for optimal emulsification.
- Sunflower Oil: Unlike butter, which can sometimes make cakes denser, sunflower oil ensures a wonderfully moist cake that stays tender for longer. Its neutral flavor won’t interfere with the chocolate. Vegetable oil also works as a substitute.
- Fresh Zucchini: This green wonder is the star for moisture! It adds no discernible flavor to the cake but contributes significantly to its incredibly moist texture and a slight tender chewiness. No need to squeeze out the liquid, as that’s precisely what we want for moisture.
- Dark Chocolate Chunks or Chips: The quality of your chocolate makes a huge difference here. Choose dark chocolate with at least 70% cocoa content for a truly rich and indulgent experience. Avoid cheap chocolate, which often contains too much oil and less flavor, affecting the overall taste. Roughly chopped dark chocolate bars work wonderfully for delightful melty pockets.
How to Prepare This Irresistible Dark Chocolate Zucchini Cake
Creating this delicious cake is incredibly straightforward, requiring minimal effort for maximum reward. You’ll find a fully printable recipe card with a detailed step-by-step description and exact measurements at the very bottom of this blog post. Follow these simple steps for a perfect bake every time:

- Prepare Your Zucchini: Begin by grating your fresh zucchini in a large bowl. There’s no need to squeeze out any excess moisture; that natural water content is precisely what will make your cake wonderfully moist.
- Combine Dry Ingredients: In a separate large mixing bowl, combine the all-purpose flour, granulated sugar, cocoa powder, baking soda, baking powder, salt, and ground cinnamon. Use a spatula or wooden spoon to thoroughly mix these dry ingredients until they are well combined, ensuring an even distribution of leavening agents and flavor.
- Incorporate Wet Ingredients: Create a well in the center of your dry ingredients. Add the room-temperature eggs and sunflower oil. Gently fold these wet ingredients into the dry mixture with your spatula or wooden spoon. Mix just until everything is combined and no streaks of dry flour remain. Be careful not to overmix, as this can lead to a tough cake.
- Fold in Zucchini and Chocolate: Now, gently fold in the grated zucchini and your generous chunks of dark chocolate. Mix until they are evenly distributed throughout the batter. Again, avoid overmixing.
- Bake to Perfection: Pour the prepared batter into your greased and floured (or parchment-lined) cake tin. Bake in a preheated oven for approximately 50-60 minutes, or until a wooden skewer inserted into the center comes out clean or with just a few moist crumbs attached.
- Cool and Serve: Once baked, let the cake cool in the tin for about 10-15 minutes before transferring it to a wire rack to cool completely to room temperature. This cooling process is crucial for the cake’s structure and makes for clean slicing.
Serving Suggestions: This cake is truly magnificent on its own, but for an extra touch of indulgence, serve it slightly warm with a scoop of creamy vanilla ice cream or a generous dollop of freshly whipped cream. The contrast between the warm, rich cake and cold cream is simply divine.
Variations & Add-ins: Feel free to customize your cake! Add about ¼ cup of chopped walnuts or pecans to the batter along with the chocolate for a delightful textural crunch. For a subtle mocha flavor, consider replacing the cinnamon with a teaspoon of high-quality espresso powder. You can also experiment with different types of chocolate, though dark chocolate provides the most profound flavor.

Did you make this delicious recipe? Tag #byandreajanssen via Instagram! I love to see what your creation looks like and regularly share the most beautiful photos of you! Did you like this recipe? Then leave a rating on the recipe card! Your feedback helps other home cooks and me enormously.
Need more inspiration?
- You can find video recipes on my YouTube channel.
- And don’t forget to save the recipes on Pinterest, so you can easily find them again next time!
📖 Recipe
RECIPE CARD

Andréa
Pin Recipe
Ingredients
- 2 cups all-purpose flour
- 2 cups sugar
- 2¾ tablespoons Dutch unprocessed cocoa, unsweetened
- 2 teaspoons baking soda
- 1 teaspoon baking powder
- ½ teaspoon salt
- 1 teaspoon ground cinnamon
- 4 eggs, size L
- 1 cup sunflower oil
- 1 zucchini, grated (about 3 cups, 400-450 grams)
- 5â…” oz. dark chocolate chips
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
-
Preheat the oven to 350 °F or 320 °F. Grease a loaf tin (10 inches – 25 cm) with oil.
-
In a large bowl, mix flour, sugar, cocoa, baking soda, baking powder, salt, and cinnamon.2 cups all-purpose flour, 2 cups sugar, 2¾ tablespoons Dutch unprocessed cocoa, 2 teaspoons baking soda, 1 teaspoon baking powder, ½ teaspoon salt, 1 teaspoon ground cinnamon
-
Add eggs and oil, and stir with a spatula until combined.4 eggs, 1 cup sunflower oil
-
Fold in zucchini and dark chocolate chunks.5â…” oz. dark chocolate chips, 1 zucchini
-
Pour the batter into the loaf tin.
-
Bake for 50-60 minutes, or until a skewer comes out clean. Cool to room temperature before slicing.
Notes & Tips for Success
2. Can I make this recipe as cupcakes instead of a loaf? Yes, this versatile batter makes about 24 standard cupcakes. Adjust the baking time to approximately 20-25 minutes, or until a toothpick comes out clean.
3. Lactose-free: This recipe is naturally lactose-free if you ensure you use dark chocolate with a high percentage of cacao (typically 70% or higher). Always double-check the label of your chosen chocolate to be certain.
4. Variations & Flavor Boosts
- Replace dark chocolate with milk chocolate chips for a sweeter, milder flavor profile, or use white chocolate for a delightful contrast.
- For added texture and nutty flavor, stir in ¼ cup of finely chopped walnuts or pecans along with the chocolate.
- Swap the cinnamon for a teaspoon of rich espresso powder to give your cake a sophisticated mocha twist that enhances the chocolate flavor.
- Consider adding a simple chocolate glaze or a cream cheese frosting once the cake is fully cooled for an extra layer of decadence.
5. Storage Guidelines
- Room Temperature: For optimal freshness, wrap your cooled cake tightly in plastic wrap or store it in an airtight container. It will remain wonderfully moist and delicious for up to 2-3 days on the counter.
- Freezer: This cake freezes exceptionally well! Wrap the cooled cake (or individual slices/cupcakes) twice in plastic wrap, then an additional layer of aluminum foil. Store in the freezer for up to 2 months. Thaw overnight in the refrigerator or at room temperature before serving.
- Cupcakes: Freezing individual cupcakes makes them perfect for grab-and-go lunchbox treats. Just take one out and let it thaw on its own.
6. Don’t Overmix! Overmixing develops the gluten in the flour too much, leading to a dense and tough cake. Mix only until ingredients are just combined.
7. Room Temperature Ingredients: Eggs and oil at room temperature emulsify more easily with other ingredients, creating a smoother batter and a more uniform, tender crumb.
Nutrition
Tried this recipe?
Let us know how it was!
More Cake Inspiration from My Kitchen
If you’ve fallen in love with this chocolate zucchini cake, you’ll be delighted to explore more of my favorite cake recipes. Whether you’re craving something rich and decadent or light and fruity, there’s a cake here for every occasion and palate. Expand your baking repertoire with these tried-and-true recipes:
- Turban Cake with Cashew Nuts
- Delicate Orange Madeleines
- Light & Flavorful Strawberry Ricotta Cake