INGREDIENTS
1
Bay leaf, fresh or dried
6
Onions, medium
2 tsp
Thyme, fresh
6 cups
Beef stock
1
Salt and freshly ground black pepper
1 tbsp
Olive oil, extra-virgin
4
thick slices Bread, crusty toasted
2 tbsp
Butter
2 1/2 cups
Gruyere or swiss cheese
1/2 cup
Sherry, dry