Gradually beat in 1/3 cup milk with mixer on low speed until blended.ĭec 19, 2011. Powdered sugar, 1/2 cup softened butter and 2 tsp. (4 oz.) BAKER'S Unsweetened Chocolate pour into large bowl. BAKER'S ONE BOWL Chocolate Frosting Melt 1 pkg. (1 oz.) JELL-O Vanilla Flavor Sugar Free Fat Free Instant Pudding, fat-free milk and COOL WHIP LITE Whipped Topping.