Bratt Workes is a mobile catering and concession serving the best in all beef hotdogs and authentic German Bratt Wursts. Nurnbergers, Weisswurst, real smoked sausages from the old country. Plus... Chicago style dogs. Natural snappy casing with all your fav toppings. For the taste that pops. The Best of Both Worlds. Bratt Werkes: A fun mobile food catering company.