A crusting buttercream is one that will set up firmly enough so that it can be touched lightly without making a mark. Although still relatively delicate, this buttercream technique can be a very helpful asset to decorators, making a nicely primed surface for all sorts of cake decoration, from decorative piping to fondant or gum paste adornment.
Easy Vanilla Buttercream Frosting Recipe -This basic buttercream frosting has unmatchable homemade taste. With a few simple variations, you can come up with different colors and flavors. —Diana Wilson, Denver, Colorado