Name: Double Chocolate Zucchini Cake Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 2 1/2 cups white whole wheat flour; 1/4 cup unsweetened cocoa; 1 teaspoon baking soda; 1/2 teaspoon baking powder; 1/2 teaspoon cinnamon; 1/2 teaspoon sea salt (fine grain, not flaked kosher salt); 1 1/2 cups sugar; 1 cup unsweetened applesauce; 1/2 cup low-fat buttermilk (shake the carton before measuring); 2 eggs, lightly beaten; 2 tablespoons canola oil; 1 teaspoon vanilla; 2 cups shredded zucchini (from about an 8- to 9-ounce zucchini); 2/3 cup chocolate chips

Jump to Recipe· 4.2 from 77 reviews

If you’re looking for a dessert that perfectly marries rich chocolate flavor with a lovely, moist texture, then you’re in for a treat with this Double Chocolate Zucchini Cake Recipe. This recipe transforms humble zucchini into a decadent, chocolatey cake that’s surprisingly healthy and incredibly satisfying. Whether you’re baking for a crowd or just craving a slice of homemade goodness, this cake hits all the right notes with its balanced sweetness, tender crumb, and bursts of melty chocolate chips. Get ready to fall in love with a dessert that’s as delicious as it is clever!

Ingredients You’ll Need

The image shows two parts: on the left, there is a white bowl full of dark brown chocolate chips in the front on a light blue wooden surface with a wooden round tray underneath. Behind the bowl, there are green zucchinis laying horizontally, an overflowing measuring cup of white flour, and a white bowl of brown cocoa powder, with a small glass jar of ground cinnamon open in the corner. On the right side of the image, a wooden round board holds a pile of freshly grated pale green zucchini with dark green skin bits mixed in, a metal box grater with zucchini shreds on it, a half zucchini with a cut end facing the camera, a white bowl with chocolate chips, and a white bowl of cocoa powder in the bottom corner. The background is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

These ingredients are refreshingly simple yet essential to creating the perfect Double Chocolate Zucchini Cake. Each one plays a key role, from lending moisture and flavor to building that tender cake texture and rich chocolate taste you crave.

2 1/2 cups white whole wheat flour: Adds wholesome fiber and a mild nuttiness, creating a sturdy yet tender crumb.
1/4 cup unsweetened cocoa: Brings deep chocolate flavor and beautiful color to the batter.
1 teaspoon baking soda: Helps the cake rise for a light, airy texture.
1/2 teaspoon baking powder: Works alongside the baking soda to provide lift and softness.
1/2 teaspoon cinnamon: Adds a subtle warmth that perfectly complements the chocolate.
1/2 teaspoon fine grain sea salt: Enhances the sweetness and balances the flavors.
1 1/2 cups sugar: Sweetens the cake just right without overpowering the chocolate and zucchini.
1 cup unsweetened applesauce: Adds moistness and natural sweetness, replacing some fat for a lighter cake.
1/2 cup low-fat buttermilk: Provides acid to activate leavening agents and keeps the cake soft.
2 eggs, lightly beaten: Bind the ingredients and add richness for a tender texture.
2 tablespoons canola oil: Keeps the cake moist and tender with a subtle richness.
1 teaspoon vanilla extract: Elevates all the flavors with a fragrant, sweet note.
2 cups shredded zucchini: The secret ingredient that adds moisture, subtle earthiness, and surprises everyone with its magic in the cake.
2/3 cup chocolate chips: Punctuate each bite with melty pockets of chocolate joy.

How to Make Double Chocolate Zucchini Cake Recipe

Step 1: Prep Your Pan and Oven

Start by preheating your oven to 350°F, which is just right for baking this cake to tender, moist perfection. Prepare a 9×13 aluminum baking pan by giving it a light spray of cooking oil and a dusting of flour if necessary. This setup ensures your cake will come out cleanly and keep its beautiful shape.

Step 2: Mix the Dry Ingredients

In a large bowl, whisk together the white whole wheat flour, unsweetened cocoa, baking soda, baking powder, cinnamon, and fine grain sea salt. Combining these dry ingredients thoroughly at the start prevents any clumps and ensures even flavor and lift throughout your cake.

Step 3: Combine the Wet Ingredients

In a separate medium bowl, stir together the sugar, unsweetened applesauce, buttermilk, lightly beaten eggs, canola oil, and vanilla extract. Mixing this well ensures your wet ingredients meld together smoothly, which is key for a consistent cake batter.

Step 4: Bring It All Together

Create a well in the center of the dry ingredients, then pour in the wet mixture. Stir gently just until everything is uniformly moistened—be careful not to over-mix, as that can make the cake dense rather than light and fluffy.

Step 5: Add the Zucchini and Chocolate Chips

Fold in the shredded zucchini, distributing it evenly through the batter for moisture and texture. Then spread the batter into your prepared pan and sprinkle the chocolate chips on top, where they’ll melt into delightful pockets of sweetness during baking.

Step 6: Bake and Cool

Bake your cake for about 30 minutes in the preheated oven. To check if it’s done, insert a toothpick near the center, and it should come out just barely clean, with maybe a few crumbs attached. Allow the cake to cool completely on a wire rack before cutting so that it sets perfectly for serving.

How to Serve Double Chocolate Zucchini Cake Recipe

A close-up of a single square piece of chocolate chip brownie being lifted by a woman’s hand holding a silver spatula with a white marbled background below. The brownie piece has one thick, dense dark brown layer with visible moist texture and several shiny, melted chocolate chips on top. Behind it, a white baking pan filled with many more brownies with a missing square piece can be seen slightly out of focus. The whole scene is softly lit. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To make this cake even more irresistible, sprinkle a light dusting of powdered sugar on top right before serving. Fresh berries or a dollop of whipped cream add bright contrast and creaminess that pairs beautifully with the rich chocolate flavor.

Side Dishes

A scoop of vanilla ice cream or a generous serving of Greek yogurt complements the cake for a balanced dessert experience. For a brunch or coffee break, serve alongside your favorite cup of coffee or steaming hot tea to make every bite linger.

Creative Ways to Present

Try cutting the cake into neat squares and layering them with cream cheese frosting or chocolate ganache for a more decadent presentation. You can also transform leftover cake into trifle layers with pudding and berries for a stunning, make-ahead dessert.

Make Ahead and Storage

Storing Leftovers

Once cooled, cover your Double Chocolate Zucchini Cake tightly with plastic wrap or place it in an airtight container. It will stay fresh and moist for up to 3 days at room temperature, making it perfect to enjoy over a few days or share with friends.

Freezing

This cake freezes beautifully! Wrap individual slices or the entire cake in plastic wrap and then foil to prevent freezer burn. It can be frozen for up to 3 months, so you always have a slice of chocolatey goodness ready when you need a sweet fix.

Reheating

To bring your cake back to life after freezing or refrigerating, warm individual slices gently in the microwave for about 20 seconds or in a low-temperature oven. This restores softness and helps the chocolate chips regain their melty magic.

FAQs

Can I use regular all-purpose flour instead of white whole wheat flour?

Yes, you can substitute regular all-purpose flour if needed. The texture might be a little less hearty, but the cake will still be deliciously moist and chocolatey.

Do I need to peel the zucchini before shredding?

No need to peel the zucchini. The skin adds a bit of color and nutrition without altering the texture noticeably in the cake.

Can I make this cake gluten-free?

You can experiment with gluten-free flour blends, but results may vary. Be sure to choose a blend that includes xanthan gum to help the cake hold together well.

Is the sugar amount adjustable?

Absolutely. If you prefer a less sweet cake, you can reduce the sugar slightly. Keep in mind the chocolate chips also add sweetness, so balance accordingly.

Why is applesauce used in this recipe?

Applesauce adds moisture and natural sweetness while reducing the amount of oil needed. It also keeps the cake tender and helps it stay fresh longer.

Final Thoughts

This Double Chocolate Zucchini Cake Recipe is a delightful way to enjoy a rich, chocolaty dessert with the bonus goodness of fresh zucchini. It’s easy to make, fun to eat, and perfect for sharing with loved ones who’ll never guess there’s hidden veggie magic inside. I can’t wait for you to bake this and experience just how wonderfully moist and chocolate-packed zucchini cake can be!