buttercream rainbow cake

Rainbow Cake

  Here's a super easy rainbow cake that is bright and fun for a rainbow themed party. To make this rainbow cake you will need: Serves: 8 Three quantities of the basic buttercream recipe Three 20cm (7.87 inches) round cakes of your choice. To make three of the sponge cakes make one and a half times this perfect sponge cake recipe. 1/2 cup ... »