Marinate the cleaned chicken pieces with 1 / 4 tsp of turmeric, 1 /4 tsp of pepper, 1 / 2 tsp Chilli powder and shallow fry this pieces and keep it aside.
Cook the onion pieces ,tomato pieces and grind it into thin paste separately.
Heat butter in a fry pan, add onion paste, salt, ginger, garlic paste and saute it well.