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Double Chocolate Zucchini Sheet Cake Recipe

Double Chocolate Zucchini Sheet Cake Recipe


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4.7 from 14 reviews

  • Total Time: 50-60 minutes
  • Yield: 12 1x

Description

Double Chocolate Zucchini Sheet Cake brings a delightful twist to dessert time, sneaking healthy zucchini into a rich chocolate treat that keeps everyone guessing. Moist chocolate layers packed with garden-fresh zucchini create a surprisingly delectable cake that disappears faster than you can slice it.


Ingredients

Scale

Cake Base:

  • 3 cups all-purpose flour
  • 2 cups granulated sugar
  • 1 cup unsweetened cocoa powder
  • 2 cups grated zucchini
  • 1 cup chocolate chips

Wet Ingredients:

  • 1 ½ cups vegetable oil
  • 1 cup buttermilk
  • 4 large eggs
  • 2 teaspoons vanilla extract

Supporting Ingredients:

  • 2 teaspoons baking soda
  • 1 teaspoon salt
  • 1 teaspoon ground cinnamon

Frosting:

  • 1 cup unsalted butter, softened
  • 1 cup creamy peanut butter
  • 4 cups powdered sugar
  • ½ cup milk

Instructions

  1. Heat your oven to 350°F (175°C). Prepare a 9×13 inch baking pan by greasing and dusting with flour.
  2. Combine all dry ingredients – flour, sugar, cocoa powder, baking soda, salt, and cinnamon – in a large mixing bowl, whisking thoroughly to distribute evenly.
  3. Create your wet mixture separately by blending vegetable oil, buttermilk, eggs, and vanilla extract until smoothly integrated.
  4. Gently fold the wet ingredients into the dry ingredients, stirring just until the batter becomes uniform without overmixing.
  5. Incorporate the grated zucchini and chocolate chips into the batter, ensuring even distribution throughout.
  6. Transfer the batter to your prepared pan, using a spatula to spread it evenly and create a level surface.
  7. Slide the pan into the preheated oven and bake for 30-35 minutes, checking doneness with a wooden skewer that should emerge clean when inserted into the center.
  8. Remove the cake and allow it to cool completely inside the pan, placed on a wire rack.
  9. Prepare the frosting by whipping softened butter and peanut butter together until they form a smooth, creamy consistency.
  10. Gradually introduce powdered sugar and milk into the butter mixture, beating until the frosting reaches a spreadable texture.
  11. Once the cake has cooled entirely, generously cover the top with your prepared peanut butter frosting.
  12. Slice into square servings and enjoy your delectable chocolate zucchini creation.

Notes

  • Grate zucchini on the large holes of a box grater to ensure moisture and tender texture without large vegetable chunks.
  • Pat zucchini with paper towels to remove excess liquid, preventing a soggy cake and maintaining the perfect dense crumb.
  • For gluten-free options, substitute all-purpose flour with a 1:1 gluten-free baking blend to keep the cake’s rich chocolate flavor.
  • Swap peanut butter frosting with cream cheese frosting if nut allergies are a concern, which adds a tangy complement to the chocolate cake.
  • Prep Time: 20-25 minutes
  • Cook Time: 30-35 minutes
  • Category: Cakes
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 12
  • Calories: 570
  • Sugar: 45 g
  • Sodium: 220 mg
  • Fat: 35 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 26 g
  • Trans Fat: 0.5 g
  • Carbohydrates: 65 g
  • Fiber: 4 g
  • Protein: 6 g
  • Cholesterol: 60 mg