The Vader – What is it? Der Wagen reveals all – Friday POSTED ON: February 13, 2013 by Sean O'Connor Cayenne BBQ Pulled Pork, Cole Slaw, Fritos, Jalapeños and Habanero Jack Cheese. Bam! Come check out Der Pretzel Wagen at Flat 12 on Friday. Menu. Have it on good authority that the wagen is the real deal!