BHETKI MACHER PATURI

INGREDIENTS:
1.Bhetki fish(boneless)-1 kg(cut into pieces)
2.Black and white mustard seeds-3 tablespoon
3.Grated coconut-4 tablespoon
4.Green chilli-8/10
5.Mustard oil-6 tablespoon
6.Lemon juice-2 tablespoon
7.Turmeric powder-1 tablespoon
8.Banana leaf(not very matured)-1 (large size)
9.Salt as required
10.Thread/toothpick

METHOD:
First wash all the bhetki fish pieces properly and rub lemon juice and salt.Keep them aside for 1 hour.
Make a thick paste of mustard seeds by adding little salt.Also make a paste  of green chillies. In a bowl take mustard paste, grated coconut, green chilli paste,little salt,turmeric powder and mustard oil and mix all these.Now marinade the fish pieces with this paste and give those an overnight stand to make paturi soft.Next day take out the bowl of marinated fish from the refrigerator.
Now take the banana leaf and cut it into 6"/6" pieces.
Now brush each piece of banana leaf with little mustard oil and lightly roast those over low flame for 30 seconds. Then place each piece of bhetki fish with marination exactly on the middle of leaf.On the top of fish place one green chilli.Now close the banana leaf from four sides to make a close parcel and seal it either with thread or toothpick.
Now place a flat pan on flame and put some mustard oil in the pan and place the fish parcels. Let them cook for 10 minutes by covering the pan with a lid.After 10 minutes turn the fish parcels and again let them cook for 10 minutes by covering the pan with the lid.
Then BHETKI PATURI is ready.Serve them hot with hot steamed rice.