It is the World Idli day today. Idli is a popular South Indian breakfast item that is either enjoyed with sambar or grainy coconut chutney. The fluffy delight is made of a special rice batter that is fermented for a while. Idli is one of the oldest food items to have originated in the subcontinent, it also finds its mention in several ancient texts. Since then Idli has come a long way, and has managed to find its own global fan base. It is also one of the most widely popular street-side snack in the country. In fact, it is one of the very few street food items that is actually considered healthy and good for the digestive system. Since idli is steamed and not fried, you save a lot of unwanted calories and fat. The fermented batter of idli makes it a gut-friendly snack. Fermentation also increases the bio-availability of nutrients. Idli comes in many different shapes and sizes, if you go down south you would be able to tell marked differences between idlis hailing from different regions of south such as Karnataka, Kerala and Tamil Nadu. Udupi, Chettninad, Kanchipuram, Rava, Thatte, Ramessari and Moode are few popular variants of Idlis relished in South India.