Blue Owl Brewing is a sour-mashed brewery located in East Austin. They specialize in brewing sour beers using a unique brewing process that involves souring the wort before fermentation. Blue Owl is known for their lineup of tart and refreshing beers, including their flagship beer, the Little Boss, a sour session wheat beer with a bright and citrusy flavor. Another popular beer from Blue Owl is the Spirit Animal, a sour pale ale with tropical fruit and citrus notes. In addition to their year-round offerings, Blue Owl also brews seasonal and limited-edition sour beers, including fruited sours and barrel-aged sours. If you're a fan of sour beers or looking to try something different, Blue Owl Brewing is a must-visit brewery in Austin.