How To Make The Ultimate Chocolate Cake

Reserve the One Top: Get the recipe: THE ULTIMATE CHOCOLATE CAKE Servings: 12 INGREDIENTS CAKE 1½ cups flour 1 cup Dutch processed cocoa powder 1 teaspoon salt 1½ teaspoons baking soda ½ teaspoon baking powder 1½ cups stout 1 tablespoon vanilla extract 1 tablespoon espresso powder 1 cup butter, softened 1½ cups sugar 3 eggs ½ cup mayonnaise 4 ounces dark chocolate, chopped BUTTERCREAM 1½ cups butter, softened 1 tablespoon vanilla extract ½ cup Dutch processed cocoa powder 5 cups pow