Heat oil in a kadai add mustard seeds.When mustard splutters add urad dal saute for 2 minutes.

Add onion,curry leaf and green chilly and saute until onion turns brown co lour.

Add 2 glass of water and wait until it boils well.

Add vermicelli to that and stir for 5 minutes.

Stir for 5 minutes until water fully dries up

Now vermicelli is ready to serve.