Khatti Moong Daal is a tangy and flavorful lentil dish made with split yellow moong dal. It is a popular North Indian recipe that is easy to make and packed with nutrition. The lentils are cooked until soft and then tempered with spices like cumin seeds, mustard seeds, and asafoetida. Tamarind pulp is added to give it a tangy and sour taste. This dish is best served with steamed rice or roti.