French Onion Soup - Kikkoman Food Services

Ingredients

• 4 ounces butter
• 3 pounds sliced onions
• 5 tablespoons Kikkoman Soy Sauce
• 2 tablespoons sugar
• 2 1/2 quarts beef stock
• 1 cup dry sherry
• 2 tablespoons dried thyme
• 3 bay leaves
• French bread
• shredded Gruyère cheese