Servings: 6
Prep Time: 90 min
Cook Time: 1 or 15 min
1/4 cup; butter
2 lbs.; onions, thinly sliced (6 medium)
1 tsp.; sugar
8 tsp.; flour
8 cups; beef broth
1 tsp.; Dijon style mustard
2 tsp.; Worcestershire sauce
1/4 cup; sherry wine or few drops of lemon juice
2 cups; Mrs. Cubbison's Croutons
Shredded Jack or Swiss cheese, as desired
Grated Parmesan cheese, as desired