Hamburger Pie
["sliced onions", "sliced potatoes", "1 to 1 1/2 lb. ground beef, cooked and drained", "1 can Thrifty Maid sliced mushrooms", "2 cans Thrifty Maid cream of mushroom soup", "6 to 8 slices Superbrand American cheese"]
["Layer first 5 ingredients in order listed in a medium casserole dish.", "Cover and bake at 425\u00b0 for 45 minutes.", "Top with cheese. Let set in oven until cheese melts."]
["onions", "potatoes", "ground beef", "mushrooms", "cream of mushroom soup", "American cheese"]