Buttercream is a versatile frosting that is widely used in baking and cake decorating. It is made by combining butter, sugar, and liquid, creating a smooth and creamy icing that adds a sweet and delicious flavor to any dessert. There are several synonyms for buttercream, including frosting, icing, glaze, and ganache. Frosting and icing are popular names used interchangeably with buttercream, referring to the thick, creamy layer that is spread on cakes and cupcakes. A glaze is a thinner version of buttercream, used to coat pastries and donuts for a shiny, glossy finish. Ganache is a rich and thick chocolate buttercream that is perfect for filling cupcakes and layer cakes.