Philadelphia's cheesesteak isn't just a sandwich — it's a citywide obsession with its own dialect. Order "Whiz wit" and you're asking for Cheez Whiz with fried onions. Say "American without" and you want sharp American cheese, onions skipped. The basics: thinly sliced ribeye on a long Italian roll, melted cheese, and whatever toppings you fancy. Get that vocabulary down and you're already ahead of most tourists.

The town's legend status is real: the sandwich dates back to 1930s South Philly, and it has since spawned Michelin Bib Gourmand-recognised shops, a James Beard Award winner, and even offshoots in Tokyo and London. But the heart of it is still corner shops across the neighbourhoods, and longtime locals have their favourites.

In South Philly, John's on East Snyder Avenue has been family-run for nearly a century and wins Best Cheesesteak titles year after year — expect finely chopped, crispy ribeye on crusty Carangi's or Sarcone's rolls. Just down 9th Street, Angelo's Pizzeria draws serious queues for house-baked bread and peppery ribeye, plus a long-hot-pepper Cheez Whiz that's become a cult item. Over on South Street, you have options: Jim's (get the Whiz wit, admire the Isaiah Zagar mosaics upstairs), Ishkabibble's — the chicken-cheesesteak pioneer featured on Abbott Elementary, famous for its half-grape-soda, half-lemonade "Gremlin" — and Jim's West in West Philly, where a $20 combo gets you a cheesesteak, a drink and banana pudding.

Plant-based eaters aren't left out. Triangle Tavern on East Passyunk won Best Vegan Cheesesteak honours for a seitan sandwich smothered in house-made vegan Whiz, while the rock-and-roll bar Tattooed Mom serves a seitan-and-smoked-Gouda version for just $7 on Meatless Mondays. There's even a '50s-style diner in Fishtown doing vegetarian builds and gluten-free rolls.

The scene keeps evolving, too. Dalessandro's in Northwest Philly, a Bib Gourmand pick, piles minced ribeye and free toppings onto sopping Amoroso's rolls — eat it in the park across the street. Dalessandro's, a North Philly shop famous from the Creed films, sells two-foot "Giant" portions near Broad and Erie. New-school players include Del Rossi's in Northern Liberties (house-baked rolls, pasture-raised ribeye), Korea Taqueria's bulgogi cheesesteak with gochujang mayo, a berbere-spiced version at a West Philly Ethiopian spot, and Skinny Joey's near the sports stadiums for pre-game crowds.

Practical stuff: bring cash, because many old-school spots don't take cards. Expect lines, limited seats and a mostly takeout culture — locals eat on the go or at outdoor tables, so grab napkins. Late-night is prime time, especially weekends and game days. And whatever you do, don't ask for ketchup at the wrong counter.