1 (14 oz.) can sweetened condensed milk
1 (9 oz.) carton frozen whipped dessert topping, thawed
1 (2 oz.) can crushed pineapple, drained
1 (21 oz.) can cherry pie filling

Mix all ingredients. Place in a shallow container, preferably one with a top. Cover and freeze for several hours. Keeps for 2 weeks in the freezer.