M any recipes for spiral-sliced ham—which has been injected with or immersed in a brine of water, curing salt, and a sweetener; fully cooked; and smoked by the manufacturer—call for heating the ham in a roasting pan covered in foil in a 325-degree ove

Remove ham from refrigerator and let sit at room temperature for 1 hour. Preheat oven to 350°. Place a rack in a large roasting pan and cover the rack with foil.

Fresh (raw) ham is rarely sold as a spiral cut, but if you have the exception, cook for approximately 25 minutes per pound (0.45 kg) in a 325ºF (160ºC) oven, until the internal temperature is at least 145ºF (60ºC).