Chettinad style black rice pudding, also known as kavuni arisi payasam, is a traditional South Indian dessert made with black rice, jaggery, and coconut milk. It is a rich and creamy pudding with a unique purple color. The black rice gives it a nutty flavor, while the jaggery adds a natural sweetness. The coconut milk adds a creamy texture and enhances the overall taste. This payasam is often served during festivals or special occasions.