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Chocolate Zucchini Cake - an incredibly moist chocolate cake topped with a cloud of chocolate cream cheese frosting. #dessert

Chocolate Zucchini Cake

Kelly
Chocolate Zucchini Cake - an incredibly moist chocolate cake topped with a cloud of chocolate cream cheese frosting. No one will ever guess the secret ingredient is green!
5 from 7 votes
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Dessert
Cuisine American
Servings 15 servings
Calories 509 kcal

Ingredients
  

For the Chocolate Zucchini Cake:

  • 2 cups all-purpose flour 283g
  • ¾ cup unsweetened natural cocoa powder 75g
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ¾ teaspoon salt
  • ½ cup unsalted butter, melted and cooled 113g
  • ½ cup vegetable oil 112g
  • 1 ¾ cups granulated sugar 347g
  • 3 large eggs
  • ½ cup buttermilk 113g
  • 2 teaspoons vanilla
  • 2 ½ cups finely shredded zucchini 330g

For the Chocolate Cream Cheese Frosting:

  • ½ cup unsalted butter, at a cool room temperature 113g
  • 8 oz cream cheese, at a cool room temperature 226g
  • 3 cups powdered sugar 375g
  • 6 tablespoons unsweetened natural cocoa powder 36g
  • 1 teaspoon vanilla

Instructions
 

  • Preheat the oven to 350°F. Spray a 9 by 13-inch baking pan with nonstick cooking spray.

For the Chocolate Zucchini Cake:

  • In a medium bowl, whisk together the dry ingredients: the flour, cocoa, baking soda, baking powder, and salt.
  • In the bowl of a stand mixer or in a large mixing bowl with a hand mixer, mix together the butter, oil, and sugar until combined, about 1 minute.
  • Add the eggs, one at time, beating for 20 seconds after each addition.
  • Mix in the buttermilk and vanilla until thoroughly combined.
  • On low speed, mix in the dry ingredients until combined.
  • Stir in the grated zucchini with a wooden spoon or spatula.
  • Pour into prepared pan and bake on the middle rack until a toothpick inserted into the center comes out clean, about 30 minutes.
  • Cool completely before frosting.

For the Chocolate Cream Cheese Frosting:

  • In the bowl of a stand mixer or in a mixing bowl with a hand mixer, beat the butter and cream cheese until smooth. Add the vanilla, cocoa, confectioners’ sugar, and pinch of salt. Beat until light and fluffy.
  • Spread on cooled cake.

Notes

  • Whole frosted cake or individually wrapped slices can be frozen for up to 2 months. Wrap well with plastic wrap then put inside a freezer bag.
  • Thaw whole cake in refrigerator overnight, then on the counter until room temperature, if desired.
  • Individual slices can be thawed on the counter.

Nutrition

Calories: 509kcalCarbohydrates: 66gProtein: 6gFat: 27gSaturated Fat: 13gPolyunsaturated Fat: 5gMonounsaturated Fat: 7gTrans Fat: 1gCholesterol: 86mgSodium: 279mgPotassium: 218mgFiber: 3gSugar: 49gVitamin A: 690IUVitamin C: 4mgCalcium: 55mgIron: 2mg
Keyword cake, chocolate, chocolate zucchini cake, cream cheese frosting
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