How to Pipe a Buttercream Ranunculus - Decorate cupcakes, cakes, brownies and more with this beautiful buttercream ranunculus. Great for making ahead or piping directly on a cupcake or mini cupcake, this buttercream flower is great for beginners and those new to piping. Try using two separate colors for a realistic look! #cakedecorating #buttercream #buttercreamflowers #ranunculus #wiltoncakes