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 :Salted Caramel Apple Fritter BreadThe Ultimate Veggie SandwichVegan Spicy Thai Peanut RamenSheet Pan Sesame Chicken and Veggies