For pani: Grind mint leaves, green chili and ginger in a blender till smooth.
Mix this paste with rest of the ingredients, except boondi.
Allow it to rest for 2-3 hours before serving.
Garnish with boondi just before serving.
2
For the filling: Mix all the ingredients in a bowl and slightly mash with your fingertips.
Make a small hole on top of the puri.
Put a little filling inside the puri.
Fill the puri with the pani just have made.
Eat it in one go.