Great Notion Brewing’s Double Blueberry Marshmallow Shake is a heavy-hitting 9.0% ABV fruited pastry sour ale that tastes like a decadent blueberry dessert in a glass. Crafted by Portland's culinary-inspired Great Notion Brewing, this "Earth Shake" is a sweet-and-tart spin-off of their flagship Double Blueberry Shake. It pairs massive amounts of authentic fruit with pillowy confectionery sweetness