3 c. thinly sliced onions
2 (10 1/2 oz.) cans condensed beef broth
1/8 tsp. pepper
2 slices toast
1/4 c. butter
2 c. water
1 tsp. Worcestershire sauce
1/4 tsp. salt
8 oz. Mozzarella cheese
1 tbsp. Parmesan cheese

In a large saucepan, cook sliced onions in butter about 20 minutes. Stir in beef broth, water and Worcestershire sauce, salt and pepper. Bring to a boil; add Parmesan cheese. Put in ovenproof bowls. Add piece of toasted bread and top with Mozzarella cheese. Put into broiler and brown cheese and serve.