String Bean Casserole
["3 cans French-cut string beans, drained", "1 can cream of mushroom soup", "1 can French fried onion rings"]
["Combine drained beans and cream of mushroom soup; pour into a baking dish.", "Sprinkle and cover onion rings over bean mixture. Bake at 350\u00b0 for 20 to 30 minutes or until thoroughly hot.", "Serve hot."]
["string beans", "cream of mushroom soup", "onion"]