Nilla Apple Crisp

8 cups thinly sliced peeled Granny Smith apples (about 2 pounds)
1/2 cup firmly packed brown sugar
2 tsp ground cinnamon
1/3 cup old fashioned or quick cooking oats
1/4 cup cold butter
25 nilla wafers, crushed
1 1/2 cups thawed cool whip

Preheat oven to 350. Toss apples with 1/4 cup of the brown sugar and 1 tsp of the cinnamon. Spoon into 8 inch square baking dish. Combine oats, the remaining 1/4 cup brown sugar and 1 tsp cinnamon in medium bowl. Cut in butter with pastry blender until mixture resembles coarse crumbs. Add wafer crumbs; mix well. Spread crumb mixture evenly over apples. Bake 30-40 minutes or until apples are tender. Serve warm or cooled. Top with cool whip.

Serves 12