2 Tbs. butter 3 lb. onions, sliced 1/2 tsp. sugar 2 Tbs. flour 4 cups canned beef broth 2 Tbs. white wine 1 1/2 Tbs. brandy 1 1/2 tsp. Dijon mustard 4 French bread slices Swiss cheese for melting Mozzarella for melting Melt butter in heavy large pan over medium heat. Add onions, sugar, and [...]