Kacha aamer tok daal is a traditional Bengali dish made with red lentils and raw mango. This soupy lentil dish has a tangy and refreshing flavor, thanks to the addition of raw mango. It is a perfect balance of sweet, sour, and spicy flavors. The lentils are cooked until soft and then tempered with spices like mustard seeds, cumin seeds, and dried red chilies. This dish is typically served with steamed rice and is a popular choice during the summer season.