Boal Macher Jhaal is a spicy Bengali fish curry made with boal fish, also known as wallago catfish. The fish is marinated in a mixture of turmeric, salt, and mustard oil before being cooked in a spicy gravy made with onions, tomatoes, ginger, garlic, and a blend of aromatic spices. This flavorful and tangy curry is best enjoyed with steamed rice or roti.