Skillet Cobbler

2 cans pie filling
1 (18.25 ounce) box white or yellow cake mix
3 tablespoons butter
1 cup 7-Up?

Pour the pie filling into a cast iron skillet. Sprinkle the cake mix over the pie filling. Slice butter over the top, the pour the 7-Up? over everything. Bake at 350 degrees F for about 35 to 45 minutes.

Serve with ice cream or whipped topping.