Rub the clean small fish with turmeric powder and salt,keep it for 10 minutes then fry it in smoky heated mustard oil; thenfried fish are simmered in a thick gravy made with tomatoes, onions, garlic andginger and sometimes added with potatoes finished in a warm, spicy, cumin,coriander flavored sauce and this is How to Make Chuno Macher Chorchori.