French Onion Soup
["6 c. sliced onions", "4 c. beef broth", "1/4 c. butter", "1 tsp. sugar", "2 tsp. Worcestershire sauce", "salt and pepper to taste", "6 to 8 slices toasted French bread", "1 c. shredded Swiss or Mozzarella"]
["Saut onion in butter. Add broth, sugar, Worcestershire sauce and salt and pepper. Bring to a boil; cook 15 to 20 minutes. Ladle soup in bowl. Put slice of bread in bowl and top with cheese. Bake at 350\u00b0 for 10 minutes."]
["onions", "beef broth", "butter", "sugar", "Worcestershire sauce", "salt", "bread"]