1 Cup Idli Rava
1/2 cup Black Gram seeds
Salt to taste
Soak black gram seeds in a vessel for about 4-5 hrs. Soak idli rava in water for about an hour. Wash the soaked ingredients properly and keep them aside.
Grind soaked black gram seeds into smooth thick paste by adding sufficient amount of water. Pour this ground batter to a vessel. Drain the water content from soaked idli rava, squeeze it and add it to the vessel conatining black gram seeds batter. Mix them well and keep it in warm place for fermentation for about 10-12 hrs.
Add salt, required amount of water and mix it well. The consistency of the batter should be that of thick milkshake.
Wash Idli holders/cups and fill each of them with 3/4 full of batter. Steam cook Idlis for about 20-30 mins. (Don't put the weight, place one steel glass over the weight stand). Let it cool down a bit before you serve them. Serve them hot with any Sambar, Chutney. The above mentioned ingredients will serve around 10 Idlis.