Method:

1. Heat the oil in a large frying pan over medium heat. Add the onion and a good pinch of salt and fry for about 15 minutes, or until golden and soft.
2. Add the ginger paste and spices and fry for 2 minutes. Add the sliced potatoes and combine well with the onion and spice mixture. Continue to cook the potato and onion over low heat for 5 minutes, turning frequently, until the onion is a deep golden brown and the potatoes are cooked.
3. Move the potato and onion to one side of the pan, or remove completely. Add the lamb chops and cook until they are coloured and cooked to your liking. Return the potato and onion mixture to the pan and combine.
4. Add 
the tamarind to the lamb and potato mixture and mix well to heat through.
5. To serve, transfer to a platter and sprinkle with the chopped mint and green chilli.and dollops of yoghurt