1. Peel potatoes and cut into small pieces.

2. Heat oil in a pan and add chanadal, urad dal, mustard and cumin seeds. When they start splutter add curry leaves, turmeric, green chillies and onions.

3. Now add potatoes, salt and 1-2 cups of water and boil until potatoes are cooked.

4. Take besan flour in a small bowl add few water, mix well and add it to curry before removing from heat.

5. Add coriander leaves and remove from heat.

Serve with puri.