Mix dry ingredients and set aside. Mix together sugar, eggs, egg whites, oil, butter, extracts, and sour cream. Mix well, and scrape the sides of the bowl.

Chef notes. This is the official Charm City Cakes buttercream. It's based on Swiss meringue and provides the correct consistency for icing cakes and decorating. Swiss buttercream is sturdier than ...

Buttercream is a type of light, fluffy icing made by beating together icing sugar and butter. Buttercream icings differ depending on which base is used: meringue (used in Italian or Swiss ...

American Buttercream . Also known as simple buttercream, American buttercream is the sweetest and easiest type of buttercream to whip up. All you have to do is beat butter until it’s light and ...