Buttercream

A frosting made mainly of butter and sugar, beaten until smooth and light, used to fill, cover and decorate cakes.

Buttercream: a bowl of smooth, fluffy white vanilla buttercream with soft swirls and peaks, an offset spatula resting on the rim
  • Fillings, creams, frostings and sauces

Also called: butter cream, butter frosting, butter icing

The simplest kind, American buttercream, is softened butter beaten with powdered sugar and a little milk or cream. Meringue buttercreams are silkier and less sweet: Swiss meringue buttercream starts with egg whites and sugar warmed over a water bath, Italian meringue buttercream with a hot sugar syrup poured into whipping egg whites; butter is beaten in once the meringue has cooled. French buttercream uses yolks instead of whites, and German buttercream is built on pastry cream.

Temperature is the usual problem. Butter that is too cold makes buttercream look curdled, and butter that is too warm makes it soupy; a few more minutes of beating, or gently warming or chilling the bowl, usually brings it back.

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Sources

Written by VanillaGoods in our own words from these sources. Last reviewed October 15, 2026.

  1. 1.7: Cake and Buttercreams, Nicholls State University, Chef John Folse Culinary Institute (T. Rink and W. R. Thibodeaux), Introduction to Baking and Pastries, via LibreTexts
  2. A Review of Recipes for Kansas Fairs and Exhibitions (frostings and fillings), Kansas State University, Food Science Institute
  3. Buttercream (Q1429013), Wikidata