Dahi Vada is a delicious snack, popular in North India. If you are making Uzhunnu vada, make a plain version of uzhunnu vada with just the urad dal paste and use for Dahi vada. This is a great appetizer.
Salt to taste
Oil to deep fry
1 ) Wash and soak urad dal for 4 to 5 hours. Or overnight.