Another Nigella Lawson gem , this is a perfect dish for a cheaper cut of an expensive meat as there is no carving, the meat is so tender it just shreds so there is no waste. She states it can be cooked for a shorter period of time, say 5 hours at gas mark 3 but I love the long low cooking as at a lower temp very little can go wrong, plus, the smell drives everyone wild for longer. (Save any liquid left from cooking as this is concentrated stock and can be frozen and used for gravy.)