Hilsa Fish In Poppy Seeds & Yogurt Curry Recipe is a Bengali delicacy that is made with the hilsa fish available in monsoons. Hilsa is one of the favourite fishes of the region, that is locally grown near the Ganga river and its tributaries. Poppy seeds and the mustard seeds needs to be ground till smooth and be used in this recipe along with other spices like nigella seeds, haldi, and chilli powder. Then the gravy is poured on the plain salt-marinated hilsa fish pieces on a grill pan and cooked further till the fish is tender. The taste of the mustard oil in the dish is delectable and the addition of yogurt to the gravy gives a unique flavour to the recipe. This dish is a real treat for those who know the art of separating bones from cooked fish.