Ingredients
3-4 tsp oil
1 onion, sliced
500g/1 lb boneless leg of lamb, diced
2 tbsp ginger paste
2 tbsp garlic paste
salt to taste
white pepper to taste
pinch chilli powder
½ tsp garam masala
500g/1 lb plum tomatoes
1 tsp tomato purée
50g/2oz yoghurt
root ginger cut into strips, to garnish

Method
1. Heat the oil in a heavy-based saucepan.
2. Add the onions and cook until golden-brown.
3. Add the diced lamb and cook for about 10 minutes.
4. Add the ginger paste and garlic paste and cook for about five minutes.
5. Add all the spices, the tomatoes paste and yoghurt and stir.
6. Add 250ml (9fl oz) of water and cook on a low heat until the lamb is tender, about 40-45 minutes.
7. Skim off any excess oil from the surface.
8. Serve garnished with strips of ginger.