Making pani puri stuffing :Put in a bowl, mix the potatoes, onions, coriander leaves, cumin powder, chaat masala powder and black salt or regular salt. mix well and keep aside.
Making pani: combine the all ingredients except the black salt in a blender and grind to a fine paste
Transfer the paste into a large bowl and combine with water the black salt and salt and mix well.
Chill for at least 1 hours after making so that all the flavours have properly.
Add the boondi to the pani.
How to proceed:Crack the top of the puri with a spoon.
add 2 to 3 teaspoons of the boiled potato-onion filling in the puri.
Stir the green pani first and then add it in the puri. optionally you can add some sweet chutney in the puri.
Serve the pani puri immediately
Notes
Other stuffing combinations for pani puri or a combination of these:steamed moong sprouts boiled white chickpeas (kabuli chana) boiled black chickpeas (kala chana) boiled potatoes chopped onions chopped coriander leaves ragda – a dry white peas curry