PREHEAT oven to 325° F. Grease 8-inch-square baking pan with nonstick cooking spray.
COMBINE apple slices, lemon juice, sugar, flour and cinnamon in large bowl. Pour mixture into prepared baking pan. Crumble bar of NESTLÉ® TOLL HOUSE® Refrigerated Oatmeal Raisin Cookie Bar Dough over top of the apples.
BAKE for 40 to 45 minutes or until apples are tender and crumble topping is crisp. Serve warm or at room temperature.