Preparation: in a big container, add all the dry ingredients and rinse it well several times and discard water.
Soak them together in fresh water overnight/5hours.
After 5hours drain the water, add to a blender jar.Add water just required, and grind into a frothy paste.
Check the consistency of the batter, it should not be very thick or very thin.
Cover the batter, and keep in a warm place to ferment.Fermentation take about 4-5hours, depending on the temperature.
When ready to steam, add eno/baking powder to the batter and mix well for a minute.
Grease the idli moulds.Pour the batter in the moulds and steam the idli in a pressure cooker or steamer.
If using a pressure cooker remove the vent weight (whistle).
Steam for 12 to 15 mins or until the idli is done.
Serve the steaming hot idli with coconut chutney and sambar.
