- 4 tablespoons butter, softened
- 1/2 cup sour cream
- 1/2 teaspoon vanilla extract
- 1/2 teaspoon lemon juice
- 1/4 teaspoon salt
- 2 3/4 cups confectioners' sugar
- In a medium bowl, mix together the butter, sour cream, vanilla, lemon juice and salt. Stir in confectioners' sugar, and beat with an electric mixer until smooth.