6 cups onion, cut small
1/2 cup butter
5 cups beef broth
1 tsp salt
Pepper
6 slices French bread, 1 in thick
Freshly grated parmesan or
6 slices of Cheddar cheese

Sautee' the onion in butter in a large pan, over low fire, for about 30 minutes or until golden. Stir often.
Add broth, salt and pepper and increase the fire to high, until boiling starts.
Reduce the heat, cover and simmer for 30 minutes. Add salt if necessary.
Toast bread.
Pour the soup in heated bowls and place on top of each . a slice of bread.
Sprinkle parmesan or top with a slice of cheddar cheese. Place under the broiler for a minute or two.
Serve hot.