To make the masala, heat some oil, add the cardamom pods and cloves and fry until they crackle. Add the rest of the masala ingredients and stir-fry for a minute or two.
Stir in the lamb and the yoghurt, season with salt and stir-fry for 3 or 4 minutes so that the meat is well covered with the masala and yoghurt. Add a little water and simmer gently until the la