In a mixing bowl, take the sago, and Idli Rava and wash with water.
Add curds to the bowl along with 1/2 cup of water. Mix well.
Depending on the thickness, you can add a little more if required.
Add salt and mix well.
Ferment overnight or for at least 8 hours.
Mix gently for all the ingredients to get mixed well.
If the consistency is too thick, add 1/4 cup of water to adjust the batter consistency.
If you want to add baking soda, add it just before steaming.
Grease the idli molds, place cashew in the mold and pour the batter to fill 3/4 of the molds.
Fill the steamer with water and bring to a boil.
Place the filled-in plates stacked over and steam for 10 to 15 mins.
Once the steaming is done, let it stand for a few minutes before unmoulding.
Serve with a side dish of your choice.