buttercreams

Noun

buttercream (countable and uncountable, plural buttercreams)

1. A type of thick, sweet icing or cake-filling made by creaming butter (or sometimes another fat, such as margarine) with powdered sugar.
   • He was the first one to use gelatin in his buttercreams, and to make such extensive use of the freezer.2009 January 9, Basil Katz, “Gaston Lenôtre, Who Built a Culinary Brand, Is Dead at 88”, in New York Times