Preheat oven to 350°F for ... or deep dish casserole (sprayed or brushed with oil). Place meat patties over potatoes and pour soup mixture over potato. Bake at 350°F for ... be frozen after cooking.
Place in layers in medium casserole dish, 1 layer sliced potatoes, 1 layer onions, 1 layer hamburger meat. Repeat almost to the ... hour and 15 minutes.