It's one of the most common dishes in the whole of Việt Nam, but next time you tuck into a bowl of xôi xéo, or sticky rice with smashed green beans, spare a thought for the people who have been working since before sunrise to make sure your food is on the table.

It may well be a dish more associated with the south of Vietnam, but fear not, this crispy pancake is available countrywide.

Welcome to Nom nom Viet Nam. Our special videos take a look at the amazing food available in this amazing country, and the stories behind the fabulous dishes. Here's our first offering, a Hanoi favourite: bun cha.