2 cans cherry pie filling or blueberry
1 box yellow cake mix
1 stick butter

Butter bottom and sides of 13 x 9 pan. Pour both cans of cherry pie and spread. Sprinkle all of cake mix over top of cherries. Spread evenly out. Cut up stick of butter over top of cake mix. Bake at 350 degrees for 35-45 minutes or golden brown.