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Answer: Philly cheesesteak — The cheesesteak was invented in the 1930s by Pat Olivieri, a hot dog vendor, and is fiercely debated between rival shops Pat's and Geno's in South Philadelphia.
The cheesesteak was invented in the 1930s by Pat Olivieri, a hot dog vendor, and is fiercely debated between rival shops Pat's and Geno's in South Philadelphia.