Idra is basically Gujarati white Dhokla which are made from rice and black gram(Urad) are quite healthy and contains right mix of carbohydrate and protein. Idra is soft and fluffy dhoklas that are good for snacks. Now, there are few ways, this delicacy is prepared. Traditionally, rice and black gram(Urad dal) is soaked overnight, grind next day, let it ferment for about 6-8 hours and steam.