INGREDIENTS
2 lb
yellow onions
3 tbsps
unsalted butter
2 tbsps
flour
1
bay leaf
1/2 tsp
dried thyme
1/8 cup
dry sherry
1/4 cup
cognac
1/4 cups
white wine
9 cups
beef stock
1 serving
kosher salt
6 medium slices
italian bread
6 slices
reduced fat swiss cheese