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Moist zucchini chocolate cake with rich chocolate frosting on a white kitchen counter

Chocolate Zucchini Cake

A moist, fudgy chocolate zucchini cake made with cocoa, buttermilk, and chocolate chips for the perfect rich flavor.
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Course: Dessert
Cuisine: American
Prep Time: 20 minutes
Cook Time: 50 minutes
Cooling Time: 30 minutes
Total Time: 1 hour 40 minutes
Servings: 12 Slices
Calories: 310kcal
Author: Megan Riley
Cost: $8–$10

Equipment

  • 1 9x13 inch baking pan (or 2 × 9-inch rounds) greased & floured
  • 2 Large mixing bowls
  • 1 Electric mixer or whisk
  • 1 Box grater / food processor to grate zucchini
  • 1 set Measuring cups/spoons
  • 1 Clean kitchen towel squeeze zucchini
  • 1 Wire cooling rack
  • 1 Rubber spatula

Ingredients

  • 2 cups Fresh zucchini grated, squeezed dry
  • 2 cups All-purpose flour sifted
  • ¾ cup Unsweetened cocoa powder
  • 1 cup Granulated sugar
  • ½ cup Brown sugar packed
  • ½ cup Vegetable oil
  • 2 Large eggs room temperature
  • 2 teaspoon Vanilla extract
  • 1 teaspoon Baking soda
  • 1 teaspoon Baking powder
  • ½ teaspoon Salt
  • 1 cup Semi-sweet chocolate chips
  • ½ cup Buttermilk
  • 1 tablespoon Instant coffee powder enhances chocolate flavor

Instructions

  • Grate zucchini and squeeze out moisture.
  • Whisk eggs, sugars, oil, vanilla, then fold in zucchini and buttermilk.
  • Sift flour, cocoa, baking soda, baking powder, salt, and instant coffee powder.
  • Fold dry ingredients into the wet mixture until just combined.
  • Stir in chocolate chips.
  • Pour into prepared baking pan and bake at 350°F (175°C) for 45–60 minutes.
  • Let cool fully before serving.

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 90g | Calories: 310kcal | Carbohydrates: 45g | Protein: 5g | Fat: 14g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Cholesterol: 35mg | Sodium: 210mg | Potassium: 280mg | Fiber: 4g | Sugar: 27g | Vitamin A: 120IU | Vitamin C: 4mg | Calcium: 60mg | Iron: 2.5mg