Edited sentence: (Some claim that the crucial ingredient is in fact the water of Lake Michigan.) Thus, if you're looking to acquire some authentic Chicago-style taste, look no further than Giordano's, the original Pizzeria Uno in downtown Chicago, or any of dozens of smaller chains and individual proprietorships serving them up hot out of the oven.Of these honorary Chicago-style pizza restaurants, perhaps the most noteable is legendary Zachary's pizza of Berkeley, California, which has been voted the best pizza in the Bay Area by the East Bay Express for 18 years running (as of 2005).Tbat said, a number of other proprieters around the country do deserve honorable mention.The stuffed pizza is a signature dish of the city of Chicago, and can be difficult to obtain in other parts of the US.Though imitations and "deep-dish" style pizza are advertised throughout the country, it is often if not always lacking the same ingredients, consistancy and quality as the deep dish pizza found in Chicago