French Onion Soup - cooking recipe

Ingredients

1 1/2 lb. onions, thinly sliced (6 c.)
1/4 c. butter or margarine
3 (10 1/2 oz.) cans condensed beef broth
1 tsp. Worcestershire sauce
1/4 tsp. salt
dash of pepper
6 to 8 slices French bread or hard rolls, toasted
grated Parmesan cheese
Mozzarella cheese

Preparation

In a covered 3-quart saucepan, cook sliced onions in butter or margarine about 20 minutes or until tender.
Add beef broth, Worcestershire sauce, salt and pepper.
Bring to boiling.