Cut leftover, cooked meat into bite-sized cubes and put 2 cups into bottom of 2 quart casserole. Next 2 cups leftover vegetables. Next 3 cups leftover gravy. Last 4 cups leftover mashed potatoes.Score with a fork and brush lightly with 2T. of evaporated milk. Bake 30 minutes at 425 degrees.This recipe came from Grandmother who usually used either beef roast or pork roast leftover for the meat. German comfort food, very satisfying.