Fry onions till transparent. Using a chopper/ mixer, grind ginger, garlic, green chill, coriander leaf and mint. Add this to the oil and fry on low heat for a couple of i minutes. Then add ground spices (coriander, Cummin, turmeric, chilli powder and fry again for a few minutes. Add coconut powder and fry again, then add chicken, turn heat up and brown. Once this is done add kettle hot water , salt and a tablespoon lemon juice. Lower heat . When chicken is done, sprinkle garam masala. ( I make my own). Remove from fire.