Preheat oven to 350°
Spray a 9x13 baking pan with cooking spray and set aside
In a medium bowl, mix the turkey and cranberry sauce
Add the turkey mixture to the baking pan
Layer on the mashed potatoes, use a spatula to spread them out evenly
Layer on the green bean casserole, use the spatula to spread it out evenly
Sprinkle on the corn over the green bean casserole
In the same bowl you used for the turkey and cranberry, add in the gravy and milk, stir well
Pour the gravy/milk mixture over the corn
Using a large spoon, add the stuffing as the final layer to the Thanksgiving Leftover Casserole
Cover and bake for 35-40 minutes or until warm throughout
Uncover and bake for an additional 5 minutes to brown the top
Top with candied pecans and fresh cranberries if desired
Serve with a cold glass of milk
Enjoy!