Step – 1

Make smooth paste of black mustard, poppy seed, yellow mustard, turmeric powder, salt, whole cumin seed, green chilli, mustard oil, water & keep a side.

Step – 2

Now in a container nicely mix the blended paste with hung curd & 35 ml of mustard oil. Later nicely marinate the hilsa slice with the mixture. Keep the marinated fish inside of refrigerator for 30 min to soak the marination.

Step 3

Meanwhile cut the clean banana leaf in large square shape & heat up on fire to wrap the fish properly without tearing or chipping.

Step – 4

Now wrap the marinated hilsa fish with banana leaf, on addition, apply some extra marination, slice green chilli, fresh coriander, mustard oil. Make sure apply the same on both side of hilsa slice. Later lock the edge of banana leaf with tooth pick or small stick.

Step – 5

Now cook the marinated & banana leaf wrapped fish in steamer for 25 – 30 minutes.

Step – 6

Unfold the fish & serve with hot steam rice.