Step 1

Blend onion ginger, garlic, coriander seeds, cumin, cardamom pods, salt and pepper, in a processor to make a smooth paste.

Step 2

Mix with lamb and allow to marinade for several hours or overnight.

Step 3

Heat oil in large pan, sauté extra onion until soft.

Step 4

Add lamb mixture and stir over medium low heat for about 10 minutes until lamb is browned.

Step 5

Stir in tomato paste and yoghurt.

Step 6

Cook, covered, on very low heat for 2 hours, adding a little water if needed.