Celebrate Oktoberfest at Shake Shack, where they will be serving up an assortment of sausages for $6 each, a rotating selection of concretes in flavors such as Apple Strudel and German Chocolate Cake, and an expanded beverage menu showcasing seasonal beers from artisanal breweries. This event will run from October 2 – 11, 2009 at Shake Shack’s upper west side and Madison Sq. Park locations.