Katla macher jhol is a traditional Bengali fish curry made with katla fish, a popular freshwater fish in India. The curry is prepared with a blend of aromatic spices and a tangy tomato-based gravy. The fish is marinated in turmeric and salt before being cooked in the flavorful curry, resulting in a tender and flavorful dish. Katla macher jhol is typically served with steamed rice and is a favorite among fish lovers in Bengal.