Fittingly, it was near the 9th Street market that two Italian brothers co-created the cheesesteak, albeit accidentally.

BBC: Love, war and the Philly cheesesteak

For lunch, Smith says he might order the cheesesteak melt with hash browns and fruit punch.

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So that rules out the cheesesteak the team will get next week after the Eagles game in Philadelphia.

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In that gastronomic flash, the steak sandwich became the ubiquitous cheesesteak.

BBC: Love, war and the Philly cheesesteak

But a cheesesteak is not a cheesesteak without the cheese.

BBC: Love, war and the Philly cheesesteak

Both turn out traditional cheesesteaks to seemingly endless lines of hungry tourists and Philadelphia locals, with only an intersection and hordes of cheesesteak-eating loyalists between them.

BBC: Love, war and the Philly cheesesteak