Heat sesame oil in a kadai. Add small onions, ginger and garlic. Fry until slightly soft, approximately 1 minute.
Add 4–5 sprigs curry leaves and fry for 30 seconds.
Add grated coconut and fry for 1 minute. Add chicken masala and mix well.
Allow the mixture to cool. Grind to a fine paste, adding water as required.
Heat sesame oil in a pressure cooker. Add mustard seeds and allow them to crackle.
Add chicken, turmeric powder and salt. Fry until the chicken turns whitish.
Add the ground masala and 2 cups water. Mix well.
Add 1 sprig curry leaves and pressure cook for 3 whistles.
Once the pressure releases, open and mix. Serve hot.