Soak rice and quinoa together. Soak urad dal separately for 4 to 6 hours.

Now drain them. Take urad dal in a blender and add little water at a time and puree till smooth and fluffy.

Pour that in a bowl.

Take rice and quinoa in the same blender and puree till smooth. Now pour it in the same bowl. Add salt and mix well.

Cover and leave to ferment for 6 to 8 hours or overnight.

Now mix well.

Take a idli plate, grease lightly with oil and pour ladleful of batter in it and steam cook for 6 to 9 mins.

Remove it and carefully remove the idlies using a spoon.

Serve with chutney.