Highway Unicorn Cake One bite of this unicorn swirl-inspired cake with layers of Swiss meringue buttercream will give you on an industrial-strength sugar high. Find a Recipes By Ingredients Share : You may like these posts :Apple CrispApple CrispGlazed Donuts (Krispy Kreme Recipe Copycat)Make These Pork Chops in Creamy Garlic Sauce for Dinner