2 tbsp udid dal
1 green chilli
3/4 tsp cumin seeds
4 curry leaves
oil for frying
1. Soak udid dal for 4 hours.
2. Drain water from udid dal. add all other ingredients to dal except oil.
3. Grind it to thick paste by using very little water.
4. Heat oil in a kadhai,take small portions of batter in ur hand and put it into the oil and fry till light brown.
Serve vadas with tomato sauce or hot sambhar.