Iyengar Mangai Pachadi is a traditional South Indian dish made with raw mangoes. It is a tangy and spicy chutney that is often served as a side dish with rice or dosa. The raw mangoes are cooked with jaggery, tamarind, and spices, giving it a deliciously sweet and sour taste. This dish is easy to make and is a great way to enjoy the flavors of raw mangoes.