3 bordeaux sauce Recipes

beef marrowbones (about 6 bones), both ends of marrow exposed, dry red wine (preferably bordeaux), chopped shallot, chopped mushrooms, carrot, finely chopped, fresh thyme, bay leaf (not california ), black peppercorns, cracked, cupsveal stock, arrowroot, madeira, salt, trimmed and tied beef tenderloin, salt, black pepper, vegetable oil, unsalted butter, beef broth, water, salt, garnish: watercress sprigs

butter, shallot, minced, dry red wine, beef gravy or 1/2 cup, salt & freshly ground black pepper