Ingredients
Wet Ingredients
- ½ cup butter, room temperature
- ½ cup vegetable oil
- 2 eggs
- 1 ¾ cups sugar
- 1 teaspoon vanilla bean paste
- ½ cup buttermilk
Dry Ingredients
- 2 ½ cups all-purpose flour
- 4 tablespoons cocoa powder
- 1 teaspoon baking soda
- 1 teaspoon ground cardamom
- ½ teaspoon salt
Additional Ingredients
- 2 ½ cups grated zucchini, drained
- ½ cup dark brown sugar
- 1 cup semi-sweet chocolate chips
- 1 cup chopped walnuts
Instructions
- Prepare Oven and Pan: Preheat the oven to 350°F (175°C) and lightly grease a 9″ x 13″ baking pan with cooking spray for easy removal.
- Prepare Zucchini: Grate the zucchini and place it on a layer of paper towels. Press another layer of paper towels on top to absorb excess moisture to avoid soggy batter.
- Cream Wet Ingredients: In a large mixing bowl, cream together the room temperature butter, vegetable oil, eggs, sugar, and vanilla bean paste using an electric mixer for about 3 minutes until smooth and fluffy.
- Add Buttermilk: Mix in the buttermilk and vanilla until fully incorporated with the creamed ingredients.
- Mix Dry Ingredients: In a separate bowl, whisk together the flour, cocoa powder, baking soda, salt, and ground cardamom thoroughly to combine evenly.
- Combine Wet and Dry: Gradually add the dry ingredients to the wet mixture, mixing just until combined to avoid overworking the batter.
- Add Zucchini: Gently fold in the grated zucchini, careful not to over mix as it can thin the batter too much.
- Assemble Cake: Pour the batter into the prepared baking dish, smoothing the top gently.
- Add Toppings: Evenly sprinkle the dark brown sugar, chopped walnuts, and semi-sweet chocolate chips over the surface of the batter for a crunchy, sweet topping.
- Bake: Bake in the preheated oven at 350°F (175°C) for 35-40 minutes. Check doneness by inserting a toothpick into the center; it should come out clean or with only a few moist crumbs. Avoid overbaking to maintain moistness.
Notes
- Drain the zucchini well to prevent excess moisture that can make the cake soggy.
- Do not over mix the batter after adding zucchini to keep the cake tender.
- Use room temperature butter and eggs for better mixing and texture.
- You can substitute walnuts with pecans or omit nuts for nut-free option.
- Store leftover cake covered at room temperature for 2-3 days or refrigerate for up to a week.
- Prep Time: 15 minutes
- Cook Time: 35-40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian