Main Dish Potatoes Bake
["10 large potatoes", "1/2 chopped onion", "1 pt. sour cream", "1 can cream of chicken or cream of mushroom soup", "grated Cheddar cheese", "salt and pepper to taste", "chopped ham (optional)", "chopped chicken (optional)"]
["Boil and peel potatoes; cool.", "Mix all other ingredients except cheese.", "Pour over potatoes, then cover with grated cheese. Put in 9 x 13-inch pan; can be covered with foil.", "Bake at 350\u00b0 until cheese is bubbly, about 30 to 40 minutes."]
["potatoes", "onion", "sour cream", "cream of chicken", "Cheddar cheese", "salt", "ham", "chicken"]