Wash and Soak urad dal and fenugreek seeds separately and varagu rice separately for atleast 3 hours. Drain them.

Take the urad dal and fenugreek in a blender and add very little water to make a thick and smooth paste. transfer it to a container.

Now take the varagu rice in the same blender and make it into a fine puree. Pour this over the dal mix. Add some salt and mix well.

Cover and let it ferment for 12 to 15 hours.

Once it is fermented. Mix well.

Grease some idli plates with a little oil. pour small ladleful of batter into each mould and place it over the steamer. Cover and steam for 7 to 8 mins.

Now remove it out and use a spoon which is dipped into water to slide the idli out. Store this idli in hot case.

Serve with sambar or chutney.