Simple Buttercream

Ingredients

• 2 cups (4 sticks) unsalted butter, room temperature
• 1 pound confectioners' sugar, sifted
• 1 teaspoon vanilla extract
• 1/8 teaspoon salt

Directions

1. In a mixer bowl fitted with a paddle attachment, combine butter, sugar, vanilla, and salt.
2. Beat on high speed 2 to 3 minutes, scraping down the sides of the bowl occasionally.

Source
http://www.marthastewart.com/315324/simple-buttercream


Alternative

1. Combine 4 sticks of softened unsalted butter, 1 lb. of cream cheese and a pinch of salt in a large bowl. Beat on high until it’s blended, light and creamy, about 4 minutes.
2. With the mixer on low, add in 2 cups powdered sugar.
3. Once it’s all incorporated, beat on high until there are no lumps and the frosting is super white and fluffy, about 5 minutes.