Heat 2 tbsp mustard oil in a pan, when smoking hot, add the panchforon. Allow the spices to splutter.
Now add the potatoes, sprinkle a little salt, fry till the potatoes take on a gorgeous golden tinge.
Add the shojne phool, stir fry for another 4-5 minutes or so.
Throw in a couple of green chillies, stir in the the poppy seed paste.
Cook over a moderate flame till the potatoes are tender. If it’s getting a bit too dry, splash a little water.
Adjust seasonings, drizzle the remaining mustard oil. Serve hot with steamed rice.