Rub all the fish pieces with 1/2 Tsp. salt and 1/2 Tsp. Turmeric before frying.
Put a wok or kadai on the Gas flame.
Make it hot then put 3Tblsp oil in it and heat the oil too.
When the oil is Hot enough Put all the Fishes into it and fry on both sides.
After frying all the fish pieces take out all from the oil.
Now Temper the Nigella Seeds first in rest of the oil.
Then put 1 cup hot water and strained Black Mustard Seed paste, Red Chili Powder, Turmeric powder, Slit Green Chili and salt.
now boil the sauce for a while then put all the fish pieces very carefully into the mixture.
Then cover the Wok with a lid and cook for 10 minutes maximum.
After 10 Minutes open the lid and pour 1 Tbsp of raw Mustard oil over the gravy and turn of the gas flame.
now Hilsa Fish recipe with Mustard Gravy (Sorshe Ilish) is ready to serve.
Serve this Dish with steamed White rice.
Masala paste for this hilsa fish recipe-Always soaked Black Mustard Seed in lukewarm water and with a pinch of salt and 1 Deseeded green chills before making a paste. Then it will be smooth in texture. Strain the paste with a sieve always The Black Mustard Seed paste before cooking.