Layered Casserole - cooking recipe

Ingredients

3 medium size potatoes
2 sliced onions
1 can green beans
1 lb. hamburger, browned
brown mushroom gravy or 1 can mushroom soup
salt and pepper to taste

Preparation

Combine all ingredients.
Cover with foil.
Bake 45 minutes at 350\u00b0.
Take off foil and bake for 30 minutes more until done.