Heat oven to 450°F. Spray 8- or 9-inch (2-quart) square baking dish with cooking spray.
In 10-inch skillet, heat apples and butter over medium heat 5 to 7 minutes or until apples are tender. Add brown sugar, and cook until melted.
Spoon one-fourth of the apples on each tortilla, and roll up. Place seam side down in baking dish. Spray tops of enchiladas with cooking spray.
Bake 10 to 15 minutes or until golden brown.
Serve with ice cream and drizzled with caramel sauce.