Season the joint with the crushed pepper and sea salt or a flavouring of your choice. Press onto the fat and flesh to evenly coat.
Roast for 20 minutes at 220C/fan 200C/gas 7, then turn the oven down to 160C/fan 140C/gas 3. Cook for 20 minutes per 450g for medium/15 minutes per 450g for rare. Once roasted, remove the beef from the pan and leave to one side, loosely covered with foil, to rest for 15-20 mins. Slice the meat neatly away from the bone. Cut the meat away from in between the bones or separate the bones and serve as they are.
Ensure the product is cooked thoroughly before serving. As all appliances may vary, these are guidelines only.