Mouri Bata Maachh is a traditional Bengali fish curry made with rohu fish and a paste of sauf (fennel) seeds. This dish is known for its unique flavor and aroma. The fish is marinated with turmeric and salt, then cooked in a spicy onion-tomato gravy. The sauf paste adds a distinct taste to the curry, making it rich and flavorful. Mouri Bata Maachh is best served with steamed rice or roti.