Porter and stout
Stout is the evolution of porter beer. Originating in London around 1720, porters quickly gained popularity amongst workers throughout the city. A dark beer with a strong flavour, porters not only took longer than other beers to spoil, they were also significantly cheaper. Unsurprisingly, it didn’t take before porter breweries started popping up all over the city, with large volumes being exported to Ireland.
It was in the 1800s that stout emerged. Although very similar to porter, this new style was stronger both in flavour and alcohol content. To this day, the replacement of malted barley with roasted unmalted barley remains the only real difference between the two styles.
With the resurgence of the craft beer movement, it is becoming increasingly tricky to tell the difference between porters and stouts as the names are often used interchangeably.