Buttercream icing is what can make a cupcake.
To some people, buttercream icing can be the only reason to even eat the cupcake.
I know that if I were in a bakery looking at cupcakes, I would probably choose the one with the best looking icing.
The problem for many of us is that buttercream icing is pretty rich in taste.
Buttercream frosting is rich in taste thanks to it being mostly butter and sugar.
Sugar Free Cocoa Buttercream Icing
A while back, I did a basic recipe for buttercream icing.