Cut the outer portion of vazhaithandu first
Then cut into thin circles and remove the fibre between the pieces.
Then cut it into fine pieces and add it to the water. Add buttermilk to it. Else the colour of the veggie willl change
While cooking remove the buttermilk and water. Add fresh water and cook it.
If you are cooking it in presure cooker cook it for 3 whistles
Take a mixie jar add coconut green chilli and jeera and grind it to a smooth paste.
Keep a kadai in the stove in medium flame. Add coconut oil to it.
Add mustard seeds to it, when it crackles add jeera and curry leaves.
Add the cooked mixture to the kadai and let it boil for 2 minutes. Add hing.
Add the grinded paste to it and mix it well. Let it boil for 4-5 minutes
Once it started boiling switch off the flame.
After 1-2 minutes add the thick curd and mix it well
Vazhaithandu Moor kottu is ready to serve.