Vidalia Onion Casserole
["6 to 7 large Vidalia onions", "1 stick margarine", "Parmesan cheese", "Ritz crackers, crushed"]
["Peel and slice onions into thin rings.", "Saute in margarine until done.", "Pour 1/2 of onions in 1 1/2-quart casserole.", "Cover with Parmesan cheese, then Ritz crackers.", "Repeat layers and bake uncovered in 325\u00b0 oven until golden brown, about 30 minutes. Yield:", "7 servings."]
["Vidalia onions", "margarine", "Parmesan cheese", "crackers"]