Archibald'S Vidalia Onion Casserole
["5 or 6 medium Vidalia onions", "4 Tbsp. butter", "3/4 to 1/2 lb. grated Cheddar cheese", "1 c. Ritz cracker crumbs", "1 can cream of mushroom soup"]
["Slice onions into rings and saute with butter until clear and soft.", "In 9-inch casserole, layer 1/3 of soup, then onions, then cheese, making 3 layers.", "Spread cracker crumbs on top.", "Bake at 350\u00b0 for 25 to 30 minutes, until browned."]
["Vidalia onions", "butter", "Cheddar cheese", "cracker crumbs", "cream of mushroom soup"]