04Before serving, bring duck to room temperature in roasting pan. Preheat oven to 350 degrees. Add the sherry and 1 cup of the defatted duck broth to the roasting pan and place in the oven. Roast uncovered for 30 to 45 minutes, basting occasionally with the juices from the pan. The duck is done when it is heated through and the skin is crisp and chestnut brown.05Transfer the duck to a serving platter and garnish with watercress.