Preheat oven to 350 F
Dissolve 1 tablespoon cinnamon candies in boiling water. arrange apple slices in ungreased 13x9x2" pan. Pour cinnamon flavored water over top.
Combine cake mix, brown sugar and melted butter in large bowl. Stir until thoroughly blended. ( Mixture will be crumbly. ) Sprinkle crumbs over apple slices. Bake at 350 F for 50-55 minutes or until lightly browned and bubbly. Serve with whipped topping, crushed cinnamon candies and mint leaves, if desired.
TIP: You can substitute 1 teaspoon ground cinnamon for the 1 tablespoon red cinnamon candies. stir into cake mix.