Chettinad Potato Roast is a spicy and tangy dish made with boiled potatoes cooked in a flavorful masala. The masala is made with a blend of spices, onions, tomatoes, and tamarind pulp, which gives it a tangy and slightly sour taste. The dish is usually served as a side dish with rice or roti. The combination of spices and tamarind creates a delicious and mouthwatering potato roast that is perfect for spice lovers.