Gilda'S Green Bean Casserole
["3 cans green beans, drained", "1 chopped onion", "1 can cream of mushroom soup", "Ritz cracker crumbs"]
["Mix first three ingredients.", "Top with Ritz cracker crumbs. Bake at 350\u00b0 until done."]
["green beans", "onion", "cream of mushroom soup", "cracker crumbs"]