Chettinadu Rasam is a tangy and spicy South Indian soup made with tamarind, tomatoes, and a blend of aromatic spices. The rasam is flavored with ingredients like black pepper, cumin, and curry leaves, giving it a unique and refreshing taste. It is typically served as a starter or as a side dish with rice and other South Indian curries. The tangy and spicy flavors of Chettinadu Rasam make it a perfect comfort food during cold weather.