Duck season? Wabbit season? Neither—it’s KBS season, the few weeks following Founders Brewing Co.’s annual release of its bourbon barrel-aged, coffee- and chocolate-flavored Kentucky Breakfast Stout. Hunters of beer know that you have to snatch bottles of the limited brew almost as soon as they hit the shelves, but then what? Do you pop them as soon as you get home, or does the strong stout (12.4% ABV this year) need time to mellow?