Kalkandu Pongal is a unique and delicious variation of Pongal made with rice, jaggery, and rock sugar candy (kalkandu). It is a sweet dish that is often prepared during festivals and special occasions. The rice and jaggery are cooked together until soft and then flavored with cardamom and garnished with ghee-roasted cashews and raisins. Kalkandu Pongal is a delightful treat for those with a sweet tooth.