Learn how to make a South Indian style kuzhambu or kulambu with Karunai Kizhangu, strangely called Yam Ordinary in English. This spicy kuzhambu has a tamarind base and tomatoes, coconut, and lots of garlic to give it tang and flavour. Karunai Kizhangu (known as yam ordinary in English, and sometimes elephant yam) is one of those