Fresh & hoppy, yet rich & black. Mindbendingly delicious and a true original. Yeastie Boys Pot Kettle Black is one of New Zealand’s most widely awarded beers. PKB, as it is affectionately known, is a juxtaposition of beer styles: fresh and hoppy, yet as dark as night and malty rich. The black beer that has converted many a person who’d formerly professed a fear of dark ales.Porter is a dark style of beer developed in London from well-hopped beers made from brown malt. The name was first recorded in the 18th century, and is thought to come from its popularity with street and river porters.The history and development of stout and porter are intertwined. The name "stout" as used for a dark beer is believed to have come about because strong porters were marketed under such names as "Extra Porter", "Double Porter", and "Stout Porter". The term "Stout Porter" would later be shortened to just "Stout". For example, Guinness Extra Stout was originally called Extra Superior Porter and was only given the name Extra Stout in 1840.