French Onion Soup

3 Medium Onions, thinly sliced

1 Tbsp. Butter

1 1/2 tsp. Flour

28 oz. Beef Broth

4 Slices French Bread, toasted

1/2 C. Mozzarella Cheese, Shredded

Saute onions in a large saucepan over medium heat until tender. Sprinkle with flour. Cook for 2-3 minutes stirring contimually, until golden brown. Add Broth. Simmer for 20 minutes. Preheat broiler. Ladle the soup into ovenproof bowls. Top each with a slice of toast and sprinkle with mozzarella cheese. Broil until the cheese melts.