Nearly a decade ago, San Marcos, California–based sibling breweries The Lost Abbey and Port Brewing Co. opened for business. Their first products included the brandy barrel–aged Angel’s Share ale and the Bourbon barrel–aged Older Viscosity stout, and the response was overwhelmingly positive. Since then, the company has expanded its use of spirits barrels for aging beers, according to cofounder Tomme Arthur.
These days, Arthur isn’t alone: Spirits-inspired beers have become one of the hottest beer trends. “The technique provides an opportunity for one-of-a-kind products,” says Kelly Taylor, owner of KelSo Beer Co., in Brooklyn, New York. “Every barrel-aged beer is slightly different, and each time you use a barrel for aging, its character changes, which means the barrel and the beer are forever evolving.”
Sachin Patel, co-owner of the two-unit…