- 2 cups (4 sticks) unsalted butter, room temperature
- 1 pound confectioners' sugar, sifted
- 1 teaspoon vanilla extract
- 1/8 teaspoon salt
- In a mixer bowl fitted with a paddle attachment, combine butter, sugar, vanilla, and salt. Beat on high speed 2 to 3 minutes, scraping down the sides of the bowl occasionally.