From classic American buttercream to the less traditional boiled frosting, there are all types of buttercream frostings that will take your cakes and cupcakes up a notch. While most contain the same or similar ingredients (eggs, sugar, butter), these buttercream frostings are each prepared differently, yielding different textures, tastes and consistencies.Whether you’re looking to ice, fill, decorate or just lick the spoon, there’s a buttercream here for everyone!