Chocolate Banana Zucchini Cake

Chocolate Banana Zucchini Cake

Ingredients:1/2 cup unsalted butter at room temperature2 cups all purpose flour1/2 cup unsweetened cocoa powder1 teaspoon baking soda1/2 teaspoon baking powder1/2 teaspoon salt1 cup (packed) light brown sugar4 tablespoons white sugar1 teaspoon pure vanilla extract1 teaspoon instant coffee granules2 large eggs1 cup unpeeled grated zucchini1 large overripe banana (mashed)1 cup bittersweet chocolate chipsConfectioner's sugar (for…