Apple Crumble presented by Stay-Inn-Style Bed & Breakfast

1 cup flour
3/4 cup packed brown sugar
1/2 cup oatmeal
1/4 cup butter (at room temperature)
1 can apple pie filling (can also substitute peaches or pears)
Cinnamon

Make a crumble mixture of dry ingredients by cutting in butter. Put half of mixture in a pan. Add the pie filling and then top with remaining mixture. Sprinkle with cinnamon. Bake at 350 degrees for 35 minutes. Can be served warm or cold.