Mustard rice is a flavorful South Indian rice dish made with cooked rice, mustard seeds, and a blend of spices. It is a simple and quick recipe that can be enjoyed as a main course or as a side dish. The rice is cooked with mustard seeds, curry leaves, and spices like turmeric and red chili powder, giving it a tangy and spicy flavor. It is then garnished with roasted peanuts and served hot with yogurt or pickle.