1 (21 oz.) can cherry pie filling (blueberry is good, too)
1 pkg. of 1 layer size yellow cake mix
4 tbsp. butter

Spread pie filling in 9 x 12 inch pan. Sprinkle with dry cake mix.

Drizzle with melted butter. Do not stir together. Bake at 375 degrees for 35 to 40 minutes. Bake until top is golden brown. Serve warm with cream or ice cream.