ELI5 mode
A long, cylindrical sandwich made from a split roll filled with layers of meats, cheeses, vegetables, and condiments, typically served cold or toasted. It's a staple of American fast-food culture, with regional variations like the hoagie in Philadelphia or the hero in New York, reflecting local tastes and immigrant influences. This portable meal has evolved into a symbol of convenient, customizable eating in our busy modern world.
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