It has scooped up more medals at major beer competitions than any other witbier — even those made in Belgium, such as Hoegaarden’s famous one — and has driven Allagash Brewing Co.’s ...

In 2007, Allagash Brewing Co. in Portland, Maine, began using a centuries-old method of fermentation that uses wind-born wild yeast. Master brewer Jason Perkins explains how it’s done.