Whether you have a penchant for pizza or you're a diehard fried chicken fan, chances are you sometimes indulge in a fast food feast. But have you ever thought about where your favourite dishes came from – or that there was ever a time before they existed? We dig into the surprising stories behind the world's most popular fast foods, from hamburgers and fries to hot dogs and currywurst.

Click or scroll through our gallery for fascinating facts about how (and where) your favourite fast food was invented, listed A-Z by dish.