Take the idli batter in a bowl. Add to it, chopped onion, curry leaves and green chillies. Mix well.
Add to the above mix, jeera and salt. Mix.

Heat oil in a kadai/shallow, small pan.
Drop small dumplings of the above batter in oil. Deep fry these balls until they turn light brown colour. Remove from oil. Cool.

Savor these tasty drops with your favorite chutney. These punukulu are a delight to eat, as these are crunchy outside and soft towards the core.