Sour beers are one of the most popular beers in the craft beer world at the moment. Local and international brewers have been serving up sours over the past few years, and they don’t seem to be going away. These beers are tart, fruity and occasionally funky, but are by no means new — sour beers are some of the oldest styles of beers in history!
Before humans mastered the art of sterilization and pasteurization, most beers had a sour taste to them—this is due to natural bacteria that integrated with the beer during the brewing process. Nowadays, sterilization and pasteurization are common practices, so brewers can play with the two to create unique flavours and experiment with levels of tartness, funk and fruit.
The traditional sour, popularized in Belgium with historic, world-renowned breweries such as