Sourness—or more precisely, tartness—is the defining trait of American Wild Ale. Essentially, it’s beer gone bad, contaminated by the very stray microorganisms that Louis Pasteur discovered were mucking up perfectly good beer 130 years ago.
As a professional brewer, I often find myself in this situation: I hand someone a sample of my beer, they taste it, and they become delighted and curious. The next comment is, “I really like this beer. What style is it?”
This insidious practice of cramming a cheap lemon rind atop a luscious, aromatic glass of Hefeweizen—the taproom equivalent of slobbering ketchup all over a perfectly grilled T-bone from Morton’s—has got to stop.