Vidalia Onion Casserole
["5 medium Vidalia onions, sliced thin", "1 stick butter or margarine", "Parmesan cheese", "Ritz crackers", "2 to 3 Tbsp. milk"]
["Saute onions in butter until clear, not brown.", "Remove from heat."]
["Vidalia onions", "butter", "Parmesan cheese", "crackers", "milk"]