Chocolate Zucchini Cake Recipe

Looking for a way to sneak some veggies into your dessert without sacrificing flavor? Look no further than this Chocolate Zucchini Cake!

This deliciously moist cake combines the rich, indulgent taste of chocolate with the subtle earthiness of zucchini, creating a perfect balance of flavors.

It’s not only a great way to use up an abundance of zucchini during the summer, but it’s also a crowd-pleaser at birthdays, potlucks, or just for a special treat.

With the addition of walnuts, this cake has a satisfying crunch that complements its tender, chocolatey crumb.

Whether you’re a baking novice or a seasoned pro, this Chocolate Zucchini Cake is incredibly easy to make. It’s the ideal recipe for anyone looking for a wholesome yet indulgent dessert. Ready to dive into the recipe?

Ingredients List

For the Cake

  • 2 cups all-purpose flour
  • 2 cups white sugar
  • ¾ cup unsweetened cocoa powder
  • 2 teaspoons baking soda
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • ½ teaspoon salt
  • 1 ½ cups vegetable oil
  • 4 large eggs (room temperature)
  • 3 cups grated zucchini (about 2 medium zucchinis)
  • ¾ cup chopped walnuts (optional)

Required Kitchen Tools

To make this Chocolate Zucchini Cake, you don’t need any fancy equipment—just the basics will do! Having the right kitchen tools will make the process smoother and help you achieve the perfect cake texture.

  1. Large Mixing Bowl: A big bowl is essential for mixing the dry ingredients and combining them with the wet ingredients.
  2. Grater or Food Processor: You’ll need a grater (or food processor) to finely grate the zucchini. Be sure to squeeze out any excess moisture from the zucchini before adding it to the batter.
  3. Electric Mixer or Whisk: While you can mix everything by hand, an electric mixer (handheld or stand) makes the job faster and easier when combining the wet and dry ingredients.
  4. Cake Pans: Two 9-inch round cake pans are ideal for this recipe. Make sure to grease and flour them, or line them with parchment paper to ensure easy removal.
  5. Cooling Rack: After the cake is baked, a cooling rack will help the cake cool evenly, preventing it from becoming soggy on the bottom.

How to Make Chocolate Zucchini Cake

Creating this rich, moist chocolate zucchini cake is a breeze! Follow these simple steps to prepare your ingredients, mix the batter, and bake to perfection.

Step 1: Prepare the Zucchini

Start by washing the zucchini thoroughly. You don’t need to peel it, but you will want to grate it finely using a box grater or a food processor. Once grated, place the zucchini in a clean kitchen towel or a few paper towels and gently squeeze out the excess moisture. This step is crucial to ensure your cake doesn’t become soggy from the extra water content in the zucchini. Set the grated zucchini aside for later.

Step 2: Mix the Dry Ingredients

In a large mixing bowl, combine all the dry ingredients: flour, sugar, cocoa powder, baking soda, baking powder, cinnamon, and salt. Use a whisk to mix them together evenly. This ensures that the baking soda and baking powder are well distributed, which helps the cake rise evenly while baking.

Step 3: Mix the Wet Ingredients

In a separate bowl, whisk together the vegetable oil and eggs. You can use an electric mixer for this step, but a hand whisk will work just fine too. The oil and eggs should be well combined and a bit frothy.

Step 4: Combine Wet and Dry Ingredients

Slowly add the wet ingredients to the dry ingredients, mixing until the batter is smooth. Be careful not to over-mix—just combine until everything is evenly incorporated.

Step 5: Add Zucchini and Walnuts

Next, fold in the grated zucchini and chopped walnuts (if you’re using them). The zucchini will add moisture to the batter, so don’t worry if it looks a bit thick or lumpy at this stage. The walnuts will provide a lovely crunch, adding both texture and flavor to the cake.

Step 6: Bake the Cake

Once your batter is ready, divide it evenly between your prepared cake pans. Smooth the tops with a spatula to ensure an even bake. Place the pans in a preheated 350°F (175°C) oven and bake for 30–35 minutes. You’ll know the cake is done when a toothpick inserted into the center comes out clean or with just a few moist crumbs attached.

Frosting and Decorating the Chocolate Zucchini Cake

Now that your Chocolate Zucchini Cake is baked to perfection, it’s time to finish it off with a luscious frosting. While this cake is delicious on its own, a rich, creamy frosting will elevate the flavors and make it even more indulgent. Below is a simple but decadent frosting recipe you can use, along with tips for decorating the cake.

Step 7: Let the Cake Cool

Once the cakes are done baking, remove them from the oven and allow them to cool in the pans for about 10 minutes. Then, turn the cakes out onto a cooling rack to cool completely. It’s important to let the cakes cool before frosting, as warm cake can cause the frosting to melt and slide off.

Step 8: Make the Frosting

For a classic chocolate frosting, you’ll need:

  • 1 cup unsalted butter (softened)
  • 2 ½ cups powdered sugar
  • ½ cup unsweetened cocoa powder
  • 1 teaspoon vanilla extract
  • 3-4 tablespoons heavy cream (or milk)

In a large mixing bowl, beat the softened butter until it’s creamy and light. Gradually add in the powdered sugar and cocoa powder, mixing until smooth. Add the vanilla extract and enough heavy cream to reach your desired frosting consistency. Beat the frosting for 3-5 minutes to make it light and fluffy.

Step 9: Frost the Cake

Once your cake layers are completely cool, it’s time to frost! Place the first layer of cake on your serving platter or cake stand. Spread a generous amount of frosting over the top, smoothing it out with a spatula. Then, carefully place the second layer of cake on top and frost the entire cake with a thick layer of frosting. If you like, you can use a decorative spatula to create a textured effect on the frosting.

Step 10: Add Decorations (Optional)

For an extra touch, you can garnish the top of the cake with a few chopped walnuts, chocolate shavings, or even a light dusting of powdered sugar. These simple decorations will add both visual appeal and a bit more texture to your cake.

Step 11: Serve and Enjoy!

Once decorated, your Chocolate Zucchini Cake is ready to be served! Slice it up and enjoy the rich, chocolatey goodness with your friends and family. It pairs wonderfully with a cup of coffee or a cold glass of milk. The zucchini adds an incredible moisture that keeps the cake fresh and tender for days, making this cake perfect for leftovers too!

Storage Instructions

How to Keep Chocolate Zucchini Cake Fresh

To store your leftover Chocolate Zucchini Cake, keep it in an airtight container at room temperature for up to 3 days. If you have a lot left over, you can store it in the fridge to keep it fresh longer. Just be sure to let the cake come to room temperature before serving.

Freezing the Cake

If you want to store your cake for a longer period, you can freeze it! Slice the cake into individual pieces or freeze the whole cake, making sure it’s wrapped tightly in plastic wrap and placed in a freezer-safe bag or container. When you’re ready to enjoy, simply thaw the cake at room temperature for a few hours, and it will taste as fresh as the day you made it.

Conclusion

This Chocolate Zucchini Cake is a perfect blend of rich chocolate flavor and moist texture, thanks to the secret ingredient—zucchini! It’s a simple, easy-to-make recipe that doesn’t require much effort but delivers incredible taste. Whether you’re baking it for a special occasion or just to satisfy your sweet tooth, this cake is sure to be a hit. With the added bonus of being a great way to use up zucchini, this recipe is as practical as it is delicious. Try it out today, and enjoy a decadent treat that’s sure to delight everyone!

I'm Jennifer Tirrell, a self-taught baker, and founder of CakeRe. As an experienced baker and recipe publisher, I have spent over a decade working in the kitchen and have tried and tested countless baking tools and products. From classic cakes to creative twists, I've got you covered. So grab your apron and let's get baking!

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