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The establishment of Pizzeria Uno in Chicago was not a simple tale. According to lore, Ike Sewell opened the pizzeria with Rick Ricardo, his partner from Texas who had fallen ill after attempting to enjoy Mexican cuisine. Allegedly, this prompted Rick to travel to Italy to learn about authentic pizza. During this time, Sewell sought to offer a "heartier" pizza, culminating in what we now cherish as deep dish pizza. However, many aspects of this origin story are disputed, particularly in light of more robust historical research.