Rajasree Roy, a young daughter-in-law from the Posta Rajbari of Kolkata, spoke about their family recipe, the Zafrani Ilish. This was a special dish prepared for the first time towards the early part of the 20th century by Rani Kasturi Manjuri Dasi when a feast had to be served after her son Kumar Bishnuprasad Roy&rsquos return from a long European tour. For this dish, the Hilsa was cooked in a cashew-nut gravy, finished with saffron (zafran) milk and garnished with raisins. &ldquoThe second dish, Doi Ilish, has a religious origin,&rdquo said Riddhiman Roy, a descendant of the Posta Rajbari. Since the family is Vaishnav by faith, they do not have to make non-vegetarian offerings to the deities. &ldquoExcept for Doi Ilish,&rdquo he explained, &ldquowhich is one of the offerings made during the &lsquoArondhon&rsquo festival at home.&rdquo With a yoghourt base and finished with mustard oil, the gravy had a velvety texture to it.