Green Bean Casserole
["2 cans cut green beans", "1 small can sliced mushrooms", "1 small onion, chopped", "1 small can water chestnuts, sliced", "1 can cream of mushroom soup", "1 can French fried onion rings"]
["Combine all ingredients except French fried onions.", "Put in casserole dish.", "Top with onion rings.", "Bake 30 minutes at 325\u00b0."]
["green beans", "mushrooms", "onion", "water chestnuts", "cream of mushroom soup", "onion"]