Prepare dark devil's food cake mix according to manufacturer's instructions. Deposit 1 lb. 8 oz. prepared batter into sprayed and papered 8-inch cake pans. Bake at 350°F until cake springs back lightly when touched. Let cool completely. Place one cake round on a cake board, and fill with chocolate whipped topping. Place the other round on top and crumb coat with chocolate whipped topping. Using a variety of sizes and styles of star tips, load bags with chocolate whipped topping and decorate the cake with different sizes of rosettes.
Dark Devil's Food Cake, Chocolate, VelveTop, Non-Dairy, Layer Cake, Whipped