4 lg. onions, thinly sliced
2 tbsp. butter
4 c. brown stock or beef broth
1 tsp. Worcestershire sauce
2 hard rolled, sliced & toasted
Grated parmesan cheese

Cook onions in butter until lightly browned. Add stock and Worcestershire sauce, cook 20 minutes. Season with salt and pepper. Sprinkle toast with cheese. Pour soup in bowls and float toast slices on top. Place under broiler a few seconds until cheese is lightly browned.