Mary’s Classic Buttercream Recipe

Mary Siems creates a variety of baked goods through her business, The Charming Cupcakery. Pictured here is a vanilla cupcake with classic buttercream frosting. (Image provided by Mary Siems)

By Brad Crofford, Editor-in-chief

Mary Siems, senior biology-chemistry major, is the founder of The Charming Cupcakery.

Here she shares her classic buttercream recipe. Learn more about how she balances her baking business with her studies.

Mary’s Classic Buttercream

“This is a great starter recipe that can be used as a base for many other buttercream flavors.” -Mary



1 cup unsalted butter (softened slightly)
1 cup shortening
7 cups powdered sugar
1/2 tbs vanilla extract


Cream butter and shortening until smooth. Add in sugar 1 cup at a time and mix until smooth. Mix in vanilla.

Yields enough frosting for 2 dozen cupcakes.