Homemade Buttercream Icing Recipe. In the bowl of a stand mixer fitted with the paddle attachment beat the butter on medium-high speed for 6-7 minutes. Spread or pipe frosting onto cupcakes.
Blend in confectioners sugar 1 cup at a time beating well after each addition. Cream together for about 10 seconds until combined. Beat in the confectioners sugar vanilla and enough milk to achieve desired consistency.
Cream the buttershortening until completely smooth.
Keep icing covered until ready to decorate. Easy Steps to Making Buttercream Frosting Making traditional American buttercream is as easy as 1-2-3. Surprisingly simple and inexpensive to make this buttercream recipe is the perfect filling and icing for a layer cake or topping your favorite cupcake recipe. Beat in vanilla extract.