Preheat your oven to 350 degrees.
Spray the inside of your 9×13 Casserole Dish with non-stick cooking spray.
Empty cans of Peach Pie Filling into bottom of your Casserole Dish, then spread it out evenly.
In medium sized mixing bowl, combine dry Cake Mix and melted Butter, and stir until there is a crumbly consistency. (break up any large chunks into small crumbles with a spoon)
Pour cake crumble mixture over peaches in Casserole Dish, and spread out evenly.
Bake for 30 minutes, or until edges are hot and bubbly.
Serve with Ice Cream or Whip Cream. Enjoy!