Marinade fish with half of the turmeric powder and salt.

Peel the skin and cut the potatoes into wedges.

Cut Tomato roughly and slit green Chillies.

Discard both ends of the Onion stalks and cut them into 1" long strips.

Now heat mustard Oil in a pan.

Fry fish from both sides over the low flame and strain from the oil.

Fry Potato wedges after sprinkling a little turmeric powder and salt in the remaining oil.

Now shallow-fry Piajkoli as well.

Once fried strain the onion stalks also.

Temper the remaining oil with Nigella seed.

Add Garlic paste, chopped tomatoes, and also green chili followed by salt, turmeric powder, and chili powder, and cook unlit everything mixes and there is no raw aroma.

Now add 2 cups full of water and bring it to a boil.

Add fried potatoes and cook until potatoes are well-cooked.

Now add fried fish and also the fried Piajkoli and cook for five minutes on low flame.

Add a few pieces of coriander leaves and mix lightly and cover the pan with a lid so that the gravy can absorb the aroma of coriander leaves.

Switch the flame off and serve Piajkoli ar Aloo diye Tangra Macher Jhol with steamed rice.