Spring has arrived! For some, that means sprouting tulips and chirping birds. But for others, it signifies the start of patio drinking weather. And there’s no better way to soak in the sun and free your taste buds from winter hibernation than by sipping a tart, refreshing sour beer. While the term “sour beer” is more of a flavor descriptor than an official beer style, it’s often produced by introducing Lactobacillus bacteria during the brewing process, which lends the brew a