How to make a samosa

You may think of the samosa as a humble street snack, but it is much, much more than that.

It is an historic artefact - as well as delectable evidence that there is nothing new about the process of globalisation.

Here the BBC's South Asia correspondent Justin Rowlatt is given lessons on how to make a samosa from Professor Pushpesh Pant, one of the world's experts on Indian food.

Read the article here.