Preheat oven to 350°F. Toss apples with sugars, cinnamon, and fruit juices.
Spread onto 11x7-inch baking dish lightly coated with cooking spray.
Place cookie mix and cinnamon-sugar packet in bowl.
Sprinkle over apples. Drizzle with butter and top with pecans.
Bake for 35-40 minutes, until golden brown and apples are tender.
Serve warm with whipped cream, if desired.