Rainbow cake: how to make a rainbow cake with a heart topper mini rainbow cake ingredient list

See rainbow cake ingredient list and cooking instruction below. In this cake decorating tutorial I show you how to make some mini rainbow cakes with little heart cake toppers on top. I also use butter cream in this video. I show you how to color your sponge cake layers to give you a multicolored cake, rainbow cake effect. The cake pan I use in this video to separate the different colour sponge is an Alan Silverwood multisize foldaway cake pan Ingredients 337g caster sugar