French Onion Soup - cooking recipe

Ingredients

2 large Spanish onions, peeled and sliced thin
4 Tbsp. butter
1 Tbsp. flour
3 (10 1/2 oz.) cans condensed beef broth
2 soup cans water
4 Tbsp. Worcestershire sauce
3 Tbsp. grated Parmesan cheese
salt and pepper to taste
croutons
sliced Swiss or Gruyere cheese

Preparation

Slowly saute onions in butter until soft and golden.
Sprinkle onions with flour; cook and stir for 2 minutes.
Stir in condensed beef broth, water, Worcestershire sauce, salt and pepper; bring to a boil, reduce heat, cover and simmer for 30 minutes.
When soup is done, stir in Parmesan cheese.
Ladle soup into 6 individual, ovenproof bowls. Add croutons and sliced Swiss or Gruyere cheese on top.
Bake at 400\u00b0 for 5 minutes or until cheese melts and bubbles.
Serve at once.