We Brits love our sandwiches - and we're willing to put just about anything in them. Chips, crisps, roast dinner leftovers, you name it.
But the humble crisp butty is a new phenomenon for our American counterparts, and foodies are shocked.
The shocking discovery came to light after The New York Times shared a recipe recommendation our pals across the pond dubbed as revolutionary. But it turned out to be a popular classic, one many couldn't believe others were hearing about for the first time.
Sharing their shock on Twitter, Leeds-based @RobynVinter posted a screenshot from @nytcooking's Instagram showing the offending recipe.
"Making a sandwich? Put chips in it," the glossy page instructed. "Beyond crunch, chips also add stability, holding the fillings in place as you eat."
Meanwhile, the photo featured sandwich filled with saldad and chips (or crisps for us Brits).
"Sorry but this cannot be a new concept for Americans," Robyn quipped.
However, commenters were quick to reveal the sad truth that not everybody knows about the glorious combo.
"Sorry but it really is. New and novel and amazingly delish!" one responder confirmed. Someone replied: "Go and buy cheap white bread, put lots of butter on it and then put cheese balls as the filling. Then with your hand flatten the sandwich. Then enjoy the best sandwich ever."
Meanwhile, a different social media user spotted a problem with the American version - pointing out that the crisps don't serve as the main sandwich filling.
"They seem to be vaguely aware of the idea of putting some in sandwiches, but not the concept of using them as the primary filling," the knowledgeable commenter wrote.
Offering support, Robyn replied: "Which as we know is much more wonderful." Another foodie advised: "And never, ever in toasted bread!"
"Yeah, kinda misses the point of squishy and crunchy," a fan agreed.
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