Keep the ingredients ready
Marinate fish head with turmeric powder and salt.
Chop star fruit into large pieces.
Heat oil in a pan and fry fish head until lightly browned.Remove fish head from pan and keep aside.
When the fish head cools, mash it into pieces
In same oil (reduce oil if quantity is more), splutter black cumin seeds and red chilies.
Add pieces of star fruit followed by green chilies, turmeric powder and salt
Stir the ingredients a bit and then cover the pan.
When the star fruits become tender and the contents become dry, then add 2 cups of water.
Once gravy starts to boil, add mashed fish head. Cover the pan and cook.
When the gravy thickens to desired consistency, remove from heat.