Pipe large bands of colored buttercream icing. THen use an icing scraper to pull and blend the different colors around the cake. This multi-colored smear creates a beautiful, natural look that's unique every time.
Cake decorating idea - How to make a Piped Rosebud - Finish your petit fours or cupcakes with one pretty Rosebud. Made in buttercream, this flat flower can be piped directly on the cake in your favorite colors.