How to Make the Best Ever Rainbow Cake Decorating For Party | Amazing Rainbow Cakes & Dessert

Not only is this rainbow cake beautiful and colorful, but it also tastes really delicious. Made from my famous white velvet cake recipe and easy buttercream, this rainbow cake makes the perfect special occasion cake!
*note* if you adjust the cake pan size using the calculator, keep in mind that the pans should only be filled halfway (1" tall) so the layers are not too big. The calculator is formulated for 2" tall layers.