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Chocolate Zucchini Cake

Amazingly rich and decadent, this Chocolate Zucchini Cake is what all chocolate cakes should strive to be.

Course Dessert
Cuisine American
Keyword chocolate zucchini cake
Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings 15 servings
Calories 287 kcal
Author Amanda Rettke--iambaker.net


  • 2 cups (400g) granulated sugar
  • 4 large eggs, room temperature
  • 1 teaspoon vanilla
  • 1 1/2 cups (335g) vegetable oil
  • 2 cups (250g) all-purpose flour
  • 3/4 cup (95g) unsweetened cocoa powder
  • 2 teaspoons (14g) baking soda
  • 1 teaspoon (4g) baking powder
  • 3 cups (450g) zucchini, grated and NOT drained
  • 1/2 cup (350g) chocolate simple syrup


  1. Preheat oven to 350°F.

  2. In a medium bowl, stir together the sugar, eggs, vanilla, and vegetable oil.

  3. Add in flour, cocoa powder, baking soda, and baking powder. Mix well.  

  4. Fold in the zucchini until it is evenly distributed. 

  5. Pour mixture into a prepared 9x13-inch pan.

  6. Bake 40-50 minutes (or until a clean toothpick comes out with a few crumbs, but not wet batter).

  7. Remove the cake from the oven, pierce with a fork, and drizzle about 1/2 cup of chocolate simple syrup over the top. 

  8. Allow cake time to set before serving.

Recipe Video