Raw rice –1 cup
Matta rice –1 /2 cup
black gram dal–3 /4 cup(uzunnu parippu)
cooked rice –1 /4 cup
Salt to taste
Soak raw rice and matta rice with black gram dal in water for 3 or 4 hours.
Wash and make a batter of all ingredients using enough water to make it thick.keep in a container for 8 to 10 hours to ferment ,make idli using idli vessel.