For the marinade: 1.Grind the onion, ginger and garlic to a paste. Mix in the remaining spices and yogurt. 2.Flatten the chops with a kitchen hammer and marinate for 4-6 hours.
Final preparation: 1.To cook, heat the oil in a pressure cooker; add all the spices and when they start spluttering add the chops with the marinade and stir well. 2.Cover lightly and cook for 10 minutes on medium heat. Remove the lid and cook further for 10 minutes. 3.Cover and pressure cook the chops for another 10 minutes. Remove the lid, stir in the saffron and cook for 5-7 minutes or until the gravy thickens. 4.Serve hot.