Chocolate zucchini cake - Recipe Tweets

Ingredients

• 2 cups all-purpose flour
• 3/4 cup unsweetened cocoa powder
• 2 teaspoons baking soda
• 1/2 teaspoon baking powder
• 1 teaspoon espresso powder
• 1/2 teaspoon salt
• 1 cup vegetable oil
• 1 cup granulated sugar
• 3/4 cup packed light or dark brown sugar
• 4 large eggs, at room temperature
• 1/3 cup sour cream or plain yogurt
• 2 teaspoons pure vanilla extract
• 3 cups shredded zucchini
• 1 cup semi-sweet chocolate chips
• chocolate frosting or vanilla frosting