Start by adding some salt to fish and set aside.

Take turmeric powder in a small bowl, add a tblspn of water and mix well,

Heat coconut oil in a pot. Add the turmeric water in it and saute for 10 sec.

Add the fish pieces into the oil and sear it on both sides for a min, Remove it to a bowl.

Now in the same oil, add in ginger, garlic, and saute for a min.

Add in onions, chillies and curry leaves. Add some salt and Saute this for 5 mins or so.

Now add in the thin coconut milk and bring it to a boil.

Add in seared fish pieces and cook for 6 to 8 mins.

Now add in thick coconut milk and tomatoes. Simmer it for just a min. Turn off the heat and cover it with a plate for 10 mins.

Now serve this with rice.