- Mix flour, sugar, cocoa powder, baking powder and soda in a bowl. In a separate bowl whisk milk and oil. Mix dry and wet ingredients together until combine. Preheat the waffle iron and once ready, pour 1/3 cup batter and let it cook. Transfer the waffles on to wire rack and do not stack on another. Serve warm waffles with your favorite scoop of icecream and chocolate syrup.