4 ounces fontina cheese
4 ounces Jarlsberg cheese
4 ounces Parmesan-Reggiano
3 tablespoons unsalted butter
2 tablespoons olive oil
3 1/2 pound yellow onions, finely sliced from top to bottom
10 cloves garlic, minced
10 shallots, minced
1 bay leaf
1/2 tablespoon medium sea salt
1 1/2 teaspoons freshly ground white pepper
2 tablespoons brandy
4 tablespoons Madeira wine
1 cup white wine
3 cups of veal stock or beef stock
3 cups chicken stock
1 crouton per serving