Adapted from kraftrecipes.com
cup butter or margarine, softened
oz. (½ of 8-oz. pkg.) PHILADELPHIA Cream Cheese, softened
jar (7 oz.) JET-PUFFED Marshmallow Creme
cup unsweetened cocoa powder
cups powdered sugar
Beat butter and cream cheese in large bowl with mixer until blended. Add marshmallow creme, cocoa powder and vanilla; beat until blended. Add sugar gradually, beating until light and fluffy after each addition.