Urad Dal - 200 gms, Salt to taste, Oil for deep frying.
Wash urad dal and soak it overnight. Wash again, remove excess water & grind to a smooth paste in the mixer. Empty paste in a bowl, add salt and beat the batter well with a wire-whisk till light. Heat oil to smoking point, then reduce heat. Take some batter in a wet spoon, make a hole in the centre and gently slip the batter into the hot oil. Fry on a medium flame till golden brown. Serve either with Sambhar or soaked in Rasam as Rasam Wada.