Roast the sooji lightly.
:- Do not blacken it.
Add this to the curd and mix well.
Heat oil in a pan.
Splutter mustard seeds.
Add cashewnuts and Bengal gram.
Once they get slightly roasted in the oil, pour it into the prepared batter.
Mix well and add a pinch of baking soda.
Finally, add chopped coriander leaves and curry leaves.
:- If you want it to be spicy, you can add very finely minced green chillies and ginger too.
Keep it aside for 5 - 10 mins.(Optional)
Grease the idli plates and then pour the batter into them.
Steam it for 10 mins.
:- Serve hot/warm with coconut chutney and sambar.