Apple Crisp

10 cups apples, peeled, cored and sliced about 5-6 large
1 cup white sugar
1 T flour
1 tsp ground cinnamon

1 ½ cups quick-cooking oatmeal
1 ½ cups flour
1 ½ cup packed brown sugar
½ tsp baking powder
½ tsp baking soda
¾ cup butter, melted

Preheat oven to 350°.
Mix the white sugar, 1 T flour and ground cinnamon together and toss with the apples.
Place the apples in a 13 x 9 inch pan.
Combine the oatmeal, 1 ½ cups flour, brown sugar, baking powder, baking soda and melted butter together.  Crumble evenly over the apple mixture.
Bake at 350° for 60 minutes.