I also make it with a yellow cake mix. my boys love it that way, this recipe is better!
4 cups apples, peeled, sliced
1 tbsp flour
3/4 cup brown sugar
1/2 cup flour
1 cup oatmeal
1/2 tsp baking powder
1/2 tsp cinnamon
1/4 tsp nutmeg
1/2 cup (1 stick) butter, melted
Peel and slice apples; arrange in greased 9″ x 9″ baking pan. Combine 1/4 cup sugar and 1 tbsp flour; sprinkle over apples.
Mix together brown sugar, flour, oatmeal, baking powder, spices, and melted butter. Sprinkle mixture over apples. Bake at 350 degrees for 30-40 minutes or until lightly browned.