Where to Bronwyn. Chef Tim Wiechmann is known for high-end, highly local innovation at his Cambridge restaurant, T.W. Food. But he’s of German heritage, and a few years back he told the Globe: “If it can be made into a sausage, I’m going to do it.” No lie. His brand-new Union Square restaurant, Bronwyn, showcases kielbasa, currywurst, bierwurst, and more.