Fourth of July Bang-Up Dessert

1 can fruit pie filling
1 small box cake mix
1/2 cup butter, melted
1/4 cup chopped nuts (optional)
1/4 cup firmly packed brown sugar

Preheat oven to 350 degrees F.

Generously grease sides and bottom of an 8-inch square baking pan. Pour pie filling into pan; spread evenly. Sprinkle dry cake mix evenly over fruit filling. Drizzle butter over top. Bake for 45 minutes to 1 hour. Serve hot.

Serve topped with whipped cream or ice cream, if desired.