Apple Upside-Down Cake

Directions

1. 1
   Preheat oven at 350°.
2. 2
   Melt butter in 9 x 13-inch baking pan on stove.
3. 3
   Sprinkle brown sugar on bottom of pan.
4. 4
   Peel and thinly slice apples, then arrange in one layer over brown sugar.
5. 5
   Prepare cake mix according to directions on package and pour over apples. Bake at 350° for 25 to 30 minutes.
6. 6
   Test with toothpick.
7. 7
   Let cool.
8. 8
   To serve, cut and then flip slice over and top with Cool Whip.