Aam daal is a traditional Bengali lentil dish made with split yellow lentils and raw mango. It is a tangy and flavorful dish that is perfect for the summer season. The lentils are cooked until soft and then simmered with spices, raw mango, and tempered with mustard seeds and dried red chilies. Aam daal is usually served with steamed rice and a side of fried vegetables or fish.