Heat oven to 350°F. Spray bottom and sides of 13x9-inch (3-quart) glass baking dish with cooking spray.
In large bowl, stir cookie mix and melted butter until crumbly; set aside.
In another large bowl, toss apples, 1/2 cup of the caramel topping and the cinnamon. Spoon into baking dish; sprinkle with cookie mixture.
Bake 35 to 40 minutes or until topping is golden brown and apples are tender. In small microwavable dish, microwave remaining 1/2 cup caramel topping uncovered on High 20 seconds.
