Wash the pumpkin, cut into half.
Slice the pumpkin, and remove the outer green skin.
Remove the centre pulp, this can be ground and used in dosa batter.
Cut the pumpkin into big cubes.
Add 2 cups water, and boil the pumpkin cubes until soft.
Pumpkin does not take long time to cook, probably just 4-5 mins.
Meanwhile, grind jeera,coriander seeds,coconut,green chillies,soaked chanadal and little water.

Make a give paste. Add coriander leaves and give it one pulse. We don’t want the coriander to become a paste.
Add the ground masala to the cooked pumpkin and bring to a boil on medium flame.
Add a cup of water to thin down.
Let it boils for a couple of mins.
Add buttermilk and simmer for another minute.
Heat another pan, add ghee.
When ghee melts, add mustard, jeera, asafoetida and curry leaves.
Pour the tempering over the curry and mix.
Serve with hot rice !

Video Recipe - https://youtu.be/mfMhXfd6SJc