Clean fish and cut into medium sized pieces. Keep this aside.
Add some water to the grated coconut and beat in a mixer.
Sieve and collect the first milk and keep this aside. Add some more water and extract the thinner milk.
Heat a pan and pour oil. Mix the turmeric powder with a little water and pour this into the oil.
Fry in medium heat until the water evaporates and oil accumulates on top.
Drop in the fish pieces simultaneously and saute both sides till light brown. Do not fry too much. Remove the fish pieces from oil and keep aside.
Into the hot oil, add chopped onion, ginger, green chillies, garlic and curry leaves. Saute in medium heat.
When the onion becomes soft, add the thinner milk, vinegar and sufficient salt.
Allow the gravy to boil and add the slightly fried fish pieces.
Close the vessel with a lid and simmer in medium heat until the fish is cooked.
Meanwhile, add 1/4 cup water to the maida and pour this over the fish gravy.
Simmer in low heat and place the tomato pieces on top.
Add the first thick coconut milk to the gravy and when it begins to boil, remove from fire.
Yummy fish molly prepared in traditional kottayam style is ready and serve hot.
Tips:-
1)Fish molly suits well with bread, chappatis and nan.