Urad Dal - 1 cup, washed and soaked with 1 tsp of fenugreek in water for at least 4 hours Idli Rice - 4 cups, washed and soaked in water for at least 4 hours Salt In a wet grinder, grind the soaked Urad Dal until it becomes smooth and fluffy. Transfer this batter to a large bowl and set it aside. Then, grind the soaked Idli Rice until smooth and pour it over the Urad batter. Combine both batters until they form a single smooth mixture. Allow the batter to ferment overnight. W