Crock Pot Apple Crisp

(Shared by Destiney)
6 cups apples, peeled, cored, sliced
1/2 cup quick dry oats
1/2 cup flour
1/2 cup brown sugar
2 Tbsp margarine
1/2 tsp ground cinnamon

Place apples in a slow cooker sprayed with non-fat cooking spray. Combine remaining ingredients in a mixing bowl until crumbly. Sprinkle mixture over apples.
Cover and cook on low for 4 hours or high for 2 hours.