Lazy Green Bean Casserole
["1 (20 oz.) pkg. frozen green beans or 1 qt. green beans", "1 can golden mushroom soup", "1 onion, sauteed in butter", "1 can water chestnuts, sliced", "1 can fried onion rings"]
["Cook green beans; drain.", "Add soup and onion.", "Place in buttered Pyrex pan and top with can of onion rings.", "Bake 30 minutes at 350\u00b0."]
["frozen green beans", "golden mushroom soup", "onion", "water chestnuts", "onion"]