Soak the sabudana at night to adding equal portion of water.
In the morning take the pressure cooker heat 1 tsp butter, splutter the cumin seeds,.
Next add green chilli, Ginger and sabudana saute well.
Add 2 cup Water and salt according to taste mix well.
Close the lid and cook for 2 whistles.
If you add tomato puree add pinch of sugar also.
Lastly add chopped coriander leaves mix well.