Potato poriyal is a South Indian stir-fry dish made with potatoes, spices, and coconut. It is a popular side dish that is quick and easy to prepare. The potatoes are cooked until tender and then saut���ed with mustard seeds, curry leaves, and spices. The addition of grated coconut adds a delicious nutty flavor to the dish. Potato poriyal is often served with rice or as a side dish with sambar or rasam.