how long to cook pork for
Place the pork on a high shelf in the oven and roast it for 25 minutes. Turn the heat down to 190C/375F/Gas 5, and calculate the total cooking time allowing 35 minutes to the pound, then deduct the initial 25 minutes cooking time.In this case it would be a further 2Â½ hours.lace the pork on a high shelf in the oven and roast it for 25 minutes. Turn the heat down to 190C/375F/Gas 5, and calculate the total cooking time allowing 35 minutes to the pound, then deduct the initial 25 minutes cooking time.