Cream Cheese Frosting:
3/4 cup butter, softened
1 (8-ounce) package cream cheese, softened
1 (3-ounce) package cream cheese, softened
2 (16-ounce) boxes (6 3/4 cups) sifted powdered sugar
1 1/2 teaspoons vanilla
Cream together the butter and cream cheese; gradually add sugar, blending well after each addition, and beat until light and fluffy. Stir in vanilla.