French Onion Soup - cooking recipe

Ingredients

4 large onions, thinly sliced
3 Tbsp. butter or margarine
2 (10 1/2 oz.) cans beef consomme
2 (10 1/2 oz.) cans beef broth
2 to 3 Tbsp. flour
1 tsp. Worcestershire sauce
salt
pepper
cheese of choice
croutons

Preparation

Saute onions in butter until golden, about 20 minutes.
Add flour and cook about 5 minutes, stirring to prevent flour burning on pan bottom.
Add broth and Worcestershire sauce, stirring to prevent lumping.
Bring to boil; season to taste.
Simmer a while.