Ingredients:1. Bhetki rectangular cubes. In case you dont get Bhetki, you can use Basa or Salmon also. The typical size of the cubes should be 3"x1.5"x0.5" (LBH). You can alter based on what you get.
2. Banana Leaf
3. The marinade:
b. Poppy Seeds
c. Mustard Seeds
d. Green Chillies
e. Curd (preferably hung)
g. Mustard Oil
h. Salt to taste
Process:1. Soak the mustard & poppy seeds in a bowl along with 1 or 2 green chillies broken into half. After soaking for about 40 mins, blend it along with the chilly, into a coarse paste. Add the coconut pieces midway into the blender. Add a bit of water to facilitate the blending.
2. Meanwhile, clean the fish. Smear the fishes with the juice of a lemon and salt. Keep it for about 20-25 mins.
3. In a bowl, take the mustard-Poppy-Coconut paste, add salt, a pinch of turmeric, a tbsp of mustard oil, and 2 tbsp hung curd. Whisk it with a spoon into a nice thick mix.
4. Take the banana leaf piece. Place a piece of the fish. Cover the fish with the marinade paste. Turn the fish with the marinade cover upside down. Layer the other side with the marinade. Put a longitudinally sliced green chilly on top. drizzle a bit of mustard oil on top. Wrap the banana leaf and wrap the package nicely with a thread. Similarly prepare all the individual fish pieces.
5. Prepare a double boiler, and place the fishes in the double boiler and cook it for about 10-15 mins. You can also use a microwave for this.
6. Serve with hot rice