3 Ingredient Chocolate Zucchini Cake

This easy chocolate zucchini cake is the perfect 3 ingredient cake to put together when you’re short on time but want to serve an impressive dessert. It’s a perfectly moist and healthy zucchini chocolate cake that uses no oil!

3 ingredient cake

I love sneaking zucchini into my recipes and desserts and even oatmeal to add a boost of fiber and to use up all of the leftover zucchini from my garden.

The best part about this 3 ingredient chocolate zucchini cake is that you won’t even be able to taste or see the zucchini!

This recipe is a great way to use up all of the extra zucchini you may have and make good use of the abundance of zucchini during summer and spring.

If you want something different than this chocolate zucchini cake recipe, try one of these other easy cake recipes: 3 Ingredient Peach Cobbler, and 5 Ingredient Monkey Bread.


healthy zucchini chocolate cake

Ingredients and Substitutions

Zucchini: The shredded zucchini is the secret ingredient for a moist and healthy zucchini chocolate cake. For this recipe, we’re gonna need 2 cups of grated zucchini or about 1 whole large zucchini. (about 12 oz)

Chocolate Cake Mix: Use any chocolate cake mix that you like. I made this 3 ingredient cake with Betty Crocker chocolate cake mix.

Eggs: Use two large room temperature whole eggs. The eggs help bind the ingredients together in this cake.

Optional – 1/2 cup mini chocolate chips: For a super yummy twist on this easy chocolate zucchini cake

3 ingredient chocolate zucchini cake ingredients


Substitutions: To substitute zucchini in this recipe, you can use bananas, applesauce, or vegetable oil.

To substitute chocolate cake mix, use vanilla cake mix or yellow cake mix + 1/3 cup unsweetened cocoa powder.

To substitute eggs: Make a chia egg by mixing 1 tbsp ground chia seeds(or flax seeds) with 3 tbsp of water. So to replace 2 eggs mix 2 tbsp ground chia seeds with 6 tbsp of water.


How to Make The Healthy Zucchini Chocolate Cake

Here’s how to make this chocolate cake mix zucchini cake recipe step-by-step.


Step 1: Preheat oven to 350 F (175C) Grate zucchini with a box grater or a food processor. Note: There’s no need to peel the zucchini beforehand.

chocolate cake mix zucchini cake


Step 2: In a large bowl, combine cake mix, zucchini, and eggs until well combined.

3 ingredient cake


Step 3: Grease a baking pan, pour in the cake mix and bake in a preheated oven at 350 F for 30 minutes.

chocolate zucchini cake recipe


Step 4: Optional step but highly recommended: Sprinkle 1/2 cup chocolate chips on top of the cake before baking. This will add so much extra flavor!

chocolate zucchini cake recipe


Step 5: You will know the cake is ready when the middle has set or when you insert a toothpick in the middle and it comes out clean. Let the cake cool and serve!

easy 3 ingredient cake


Facts and Common Questions

What to serve with zucchini cake?

Serve this delicious zucchini chocolate cake with a scoop of vanilla ice cream, whipped cream, and a drizzle of chocolate syrup. Or you can make a rich chocolate frosting and slather it all over the zucchini cake.

easy chocolate zucchini cake

Do you need to peel zucchini before baking?

No! There is no need to peel the zucchini before grating it and using it in a baking recipe.


Is this delicious chocolate zucchini cake healthy?

This depends on what your idea of healthy is. This recipe replaces oil with a vegetable and therefore has much lower calories per individual slices than regular chocolate cake so it is healthy by many standards.


Can I make this in a loaf pan?

Yes! This recipe can easily be made in loaf pans, but you will need two loaf pans. The result will be a sweet chocolate zucchini bread with a deep chocolate flavor. You can even make this recipe in a bundt pan for a zucchini bundt cake.

If you want, you can even make chocolate zucchini muffins by baking the cake mix in a muffin pan.


Storage Instructions:

Fridge: Store in an airtight container in your fridge for up to 5 days.

To Reheat: You can eat the cake cold but if you prefer to heat it up, microwave for 10 seconds before serving.

Freezer: Store sealed tightly with plastic wrap for up to 3 months in your freezer.

chocolate cake mix zucchini cake


More Easy Recipes:
If you loved this cake recipe, You will also enjoy these tasty recipes:

17 Easy Dump Cakes

100 Calorie Mug Cake

23 Healthy Desserts For After Dinner

Easy Peach Puff Pastry Recipe

5-Minute Mug Brownie Recipe

chocolate cake with 3 ingredients


Yield: 12

3 Ingredient Chocolate Zucchini Cake

3 ingredient zucchini cake

Deliciously moist 3 ingredient chocolate zucchini cake that's healthy easy to make and perfect for chocolate lovers.

Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes


  • 2 cups shredded zucchini (about 12 oz)
  • 1 box chocolate cake mix
  • 2 eggs


  1. Preheat oven to 350 F (175C) and grate zucchini with a box grater or a food processor.
  2. Mix chocolate cake mix, zucchini, and eggs in a large bowl.
  3. Grease a baking pan, pour cake mix, and bake at 350 F for 30 min. (Optional) Add 1/2 cup chocolate chips on top for extra flavor.
  4. Check the cake with a toothpick; when clean, you'll know the cake is fully cooked. Take it out of the oven, let it cool, and serve.


Optional add-on ingredient: 1/2 cup mini chocolate chips.

Serve with a scoop of ice cream and optionally a chocolate frosting.

This recipe is using an 8 x 8 inch baking dish but this easy zucchini chocolate cake can also be made in a loaf pan.

Nutrition Information:



Amount Per Serving: Calories: 202Total Fat: 7.6gSaturated Fat: 1.7gSodium: 373mgCarbohydrates: 32.8gFiber: 1.4gSugar: 17.3gProtein: 3.8g

I hope you enjoy making this chocolate cake with 3 ingredients! Please let me know if you end up trying it and leave this chocolate zucchini cake recipe a 5 Star review!


3 ingredient zucchini cake