Apple Crisp (slow cooker)

6 cups cooking apples (cut and sliced up)
1/2 cup quick oatmeal
1/2 cup brown sugar
1/2 cup flour
2 tbsp margarine
1/2 cup ground cinnamon

(1) place apples in slow cooker sprayed with non fat cooking spray
(2) combine remaining ingredients in a mixing bowl until crumbly
(3) sprinkle mixture over apples
(4) cover
cook on low for 4 hours or high for 2 hours. (Philip's favorite)