Cut bittergourd into small pieces also slit the greenchillies in lenghth wise
Roast the grated coconut in medium flame and keep aside
Heat a pan and add the roasted coconut along with turmeric powder,coriander powder and chilly powder
Roast it for few minutes and grind it into fine powder
Heat oil in another pan and splutter the mustard in it
Add the sliced onion,bittergourd and curry leaves,Saute this well
To this add the coconut mix along with the tamarind juice and cook it for 10 mins
Our pavakka varutharachathu is ready serve it hot