Idly rava 2 cup
Urad dal 1.5 cup
1)Soak urad dal for around 4 hours.
2)Grind urad dal by adding little water to fine paste.
3)Wash idly rava.
4)Mix rava to paste,add salt and mix well.
5)Keep the batter in warm place overnight to ferment.
6)Grease the idly stand with oil.
7)Steam cook for 15 mins.Do not use the weight if you are using a pressure cooker.Leave for 5 mins before opening the cooker.Serve hot with sambar.