Rainbow Unicorn Sheet Cake - Divide white cake batter into 6 bowls (about ¾. Web rainbow unicorn cake batter 1 cup + 2 tbsp. Web swirl the cake batters together in a heavily greased 9×13 pan with a spatula or knife. Bake according to package directions. Test to see if your cake is done by inserting a toothpick into the center of. Web 1 1/3 cups buttermilk 5 colors of gel food coloring (i use purple, green, yellow, orange, and red) buttercream 1/2 stick of unsalted butter 1 teaspoon pure vanilla extract 4 cups confectioner’s sugar. Separate the cake mix into four bowls using electric gel colors 1 to 2 drops of coloring will be enough for a favorite. Optionally, line the pan with parchment paper and spray the paper. Web preheat oven to 350 degrees f. Web instructions prepare cake mix according to box instructions.
Web swirl the cake batters together in a heavily greased 9×13 pan with a spatula or knife. Web rainbow unicorn cake batter 1 cup + 2 tbsp. Divide white cake batter into 6 bowls (about ¾. Web instructions prepare cake mix according to box instructions. Web preheat oven to 350 degrees f. Bake according to package directions. Web 1 1/3 cups buttermilk 5 colors of gel food coloring (i use purple, green, yellow, orange, and red) buttercream 1/2 stick of unsalted butter 1 teaspoon pure vanilla extract 4 cups confectioner’s sugar. Test to see if your cake is done by inserting a toothpick into the center of. Optionally, line the pan with parchment paper and spray the paper. Separate the cake mix into four bowls using electric gel colors 1 to 2 drops of coloring will be enough for a favorite.