Here is an interesting presentation I came across online about pani puris… Yup, someone’s made a presentation on the humble pani puri. Here is the site, or alternatively check out the embed:

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For the uninitiated, here’s what Wikipedia says about pani puris:

Panipuri is a popular street snack in India. It comprises of a round, hollow "puri", fried crisp and filled with a watery mixture of tamarind, chilli and potato. The name panipuri literally means "water in fried bread". Pani is a Hindi word for water and puri (or poori) is an Indian bread that is made by frying dough in oil. It is known as puchka in West Bengal and Bangladesh. Since the bread is served with special spiced water, it is known as pani poori; it is also known as gol gappa.