Question: how long to cook 2 rib of beef?
Answer: Season the joint with the crushed pepper and sea salt or a flavouring of your choice. ...  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. ...  Slice the meat neatly away from the bone.