1 pkg. white cake mix
1 (1 lb. 5 oz.) can cherry or apple filling
1 tsp. lemon juice
1/2 c. chopped nuts (optional)
1/2 c. melted butter

Spread pie filling in bottom of 9" square pan. Sprinkle with lemon juice (and cinnamon if apple). Combine cake mix, nuts and melted butter (and 1 teaspoon cinnamon for apple crunch). Sprinkle over pie filling. Bake at 350 degrees for 40 to 50 minutes until golden brown.