You will want to try this chilli idli recipe, a unique take on the traditional Idli. Idlis are rice cakes made from a fermented batter of skinned black lentils and rice. Idlis are most often served as a breakfast food in South India. Idlis are notoriously bland and require some type of seasoning or condiment like sambar. Chili idli replaces the traditional condiments served along with bland idlies to make the idlis spicy and tangy.