french onion soup

description : this recipe is so amazing that It reaches a state of perfect flavor.
serves 2
cooking time: about 30 minutes

ingredients:               
1 medium onion sliced thin
1 tablespoon butter
1 can beef broth
1 tablespoon Worcestershire sauce
2 slices bread 1 cup grated mozzarella cheese                    
     
 method:                                                  

step 1 :  mix sliced onion in butter over low to
step 2 :medium low heat until brown.                                  
step 3 : Add broth and Worcestershire sauce and bring to boil.
step 4 :Cut bread to fit bowls and toast while waiting for soup to boil.                                   step 5 :Butter both sides of the bread.                                  
step 6 :  Pour soup into boiler proof bowls.              
step 7 : Top with toasted bread and sprinkle with cheese.                                    
step 8 :Broil until cheese melts and becomes bubbly