Mashed potatoes
hamburger (browned & drained)
Heinz home-style gravy
Cheese slices, optional
Tomato slices, optional

Layer in a casserole dish, mashed potatoes then hamburger. Continue layering until casserole dish is filled. Be sure to end with hamburger on top. Bake in a 350 degree oven for 45 minutes. If cheese and tomato are desired add on top of casserole 15 to 20 minutes after casserole is in oven. Pour gravy over casserole after casserole is removed from oven and ready to serve.