Maybe you've heard of Au Cheval, the foodie-adored West Loop joint with two-hour waits for its famed burgers, once crowned the nation's best by Bon Appetit? This pared-down kid sibling is a festive little shack serving up nothing but burgers. And boozy milkshakes, cocktails and beer. Wait time is minimal, and there's plenty of patio seating beneath the rumbling L.
You'll find another branch in Old Town.