Lemon Angel Food Bars
["1 box One Step angel food cake mix", "1 (21 oz.) can lemon pie filling", "1 pkg. cream cheese", "1/2 c. butter or margarine", "1 lb. powdered sugar, sifted", "1 tsp. vanilla"]
["Cream the cream cheese and butter until light and fluffy.", "Add sugar and vanilla.", "Smooth on cooled bars."]
["cake mix", "lemon pie filling", "cream cheese", "butter", "powdered sugar", "vanilla"]