In a bowl, take pohe without washing. Add chopped onions, salt, sugar, red chili powder. Mix with a spoon.
Add buttermilk little at a time and mix everything well with hand.
Heat oil in a small pan. Add mustard seeds. Once they start to crackle, add pinch of asafoetida and turmeric. Switch of the flame. Pour this tempering on the prepared mixture.
Add chopped coriander leaves and mix well. Keep aside covered by putting some pressure on top.
Serve Dadpe Pohe after 15 minutes with hot tea.