Crust: Melt butter in saucepan. Stir in crumbs and sugar. Pack into ungreased 9 x 13 inch pan. Bake in 350o oven for 10 minutes or use without baking.
Filling: Beat cream cheese and icing sugar together until blended. Fold in cool whip and Prairie Berries Saskatoon Berry Fruit Topping. Pour over crust. Chill. Serves 15.