In a mixing bowl, add 3 cups of small-grain rice, 1 cup of urad dal, and 1 tsp methi dana. Wash and soak it for 4-5 hrs.
Now remove water from soaked grain and keep it aside. Use water while grinding batter.
Also, wash and soaked 1 cup of poha
Then in a mixture jar, add soaked grains, 1 cup of soaked poha, and some water. Grind batter into a smooth and ribbon-like consistency.
Add some salt and whisk the batter into one direction.
Add ground batter into the mixing bowl. Cover and ferment batter to keep it in warm place. You can cover the batter with a thick blanket or keep it into the oven. (Refer to video)
After 6-7 hrs, the batter is properly fermented.
Now grease the idli plate with oil. add batter and steam idli for 12-14 minutes on high flame.
take out idli from steamer and serve hot.