A bengali recipe of sour masoor dal with unripe mangoes. We are having Tok Dal aka Kancha Aam diye Toker Dal quite regularly these days. Kancha Aam aka Green Mangoes after all in season and we are utilizing those as much as possible as part of our regular meal at home. Among other things, a light lentil soup prepared with Green Mango and Red Lentil aka Masoor Dal, known as Tok Dal is the most common one.