This is a thick, sticky, rich, Indian slow-cooked stew. It is perfect with rice or naan, but also excellent married with a good mash and some spring greens.
Mix the cumin, cinnamon, coriander and ginger. Trim all the sinew and much, but not all, of the fat from the meat and toss in the dry spices. Leave for a few minutes.
Put the oil into a saucepan and turn the heat up. Brown the meat all over. Return the onions to the pan an