Skinny Vanilla Cream Cheese Frosting February 25, 2024 by Kitchenra ingredients: 1-8oz package fat-free cream cheese 4 tablespoons (1/2 stick) light margarine 2 tablespoons fat-free sour cream 2 teaspoons pure vanilla extract 1 tablespoon cornstarch 1 cup confectioners sugar instructions: Beat cream cheese, margarine, sour cream in large bowl until smooth. Mix in vanilla and cornstarch. Gradually beat in powder sugar. Makes 16 servings.