Virginia'S Onion Soup
["2 Tbsp. sweet butter", "1 large Vidalia (sweet) onion, peeled and sliced thin", "3 c. beef consomme or beef bouillon", "Parmesan cheese", "Mozzarella cheese, grated", "dash of salt and pepper"]
["Melt butter in saucepan.", "Add the onion and saute for 10 to 15 minutes or until lightly browned.", "Add the beef broth, salt and pepper to taste and bring to a boil.", "Cook 10 minutes.", "Put in a casserole (add broken pieces of French or Italian toasted bread if desired).", "Sprinkle with Parmesan cheese and cook for 35 minutes at 400\u00b0.", "Top with grated Mozzarella cheese in mugs while hot."]
["sweet butter", "Vidalia", "beef", "Parmesan cheese", "Mozzarella cheese", "salt"]