Instructions

1. Heat oil in a pan and add mustard seeds, split black gram and Bengal gram to it. Let them splutter.
2. Add the ginger, green chilli and onion and fry for a minute.
3. Add the semolina and fry until brown taking care not to burn it. Keep aside and cool it.
4. After the semolina mixture is cooled down, add the plain yogurt and make to a thick batter.
5. Scoop the batter into an idli tray and steam it for 10 minutes.
6. After switching off the flame, let it sit for 5 min and serve hot.