Ingredients
1
cup butter, softened
1
cup creamy peanut butter
4
cups powdered sugar
1/4
cup milk
1/2
teaspoon vanilla
Preparation
Beat butter in medium bowl on medium speed until fluffy. Beat in peanut butter, 1/2 cup of the powdered sugar, the milk and vanilla. Gradually beat in remaining 3 1/2 cups powdered sugar, beating after each addition until smooth. Generously frosts a 13x9-inch cake.
