Fast French Onion Soup - cooking recipe

Ingredients

3 medium onions, thinly sliced
1/4 cup butter
2 (13 3/4 ounce) cans beef broth
1/2 cup water
2 teaspoons Worcestershire sauce
4 slices French bread, toasted and buttered
parmesan cheese, grated
4 slices swiss cheese or 4 slices gruyere cheese

Preparation

In saucepan, cook onions in butter until onions are tender. Add broth, water and Worcestershire sauce. Bring to boil. Simmer, covered, 25 minutes.
Spoon into 4 ovenproof bowls. Place piece of French bread in each bowl. Sprinkle with Parmesan cheese. Top with cheese slice. Broil until cheese melts.