1. Remove leaves, wash and keep them aside. Heat oil in a pan/kadai, splutter mustard seeds, black gram dal, red chillies, curry leaves and little salt and asafoetida.
2. Add green leaves and mix them well. Now add grated coconut. Mix them well.
3. Drumstick leaves poriyal is ready to be served. Serve with any of the rice item.

Note:

This should essentially be had for lunch and not dinner as it takes a while to digest.

Optional: Ingredients can be added/removed. Green gram dal can be cooked and added to this. It will give more taste. Care must be taken that it is not over cooked.

Courtesy: http://tamilveg.blogspot.com/