Yes, There's A Difference Between A Philly Cheesesteak And A Steak And Cheese Sandwich - Chowhound

Legend has it that the first cheesesteak was made with onions (before cheese was even added), so it's safe to say that onions are an accepted topping. Though if you're not a fan of the vegetable, it's okay to leave it off. Many cheesesteaks you'll find in the City of Brotherly Love are served on Amoroso's rolls. Amoroso's Baking Company was founded in 1904 in Camden, New Jersey, which is just across the river…