We're told that the English Chip Butty was invented in Northern England by people who apparently had only four ingredients to work with. It's a triple-decker sandwich, buttered bread, and a pile of fries (french or freedom, up to you), and is traditionally a late-night-so-drunk-you'll-eat-anything kind of a food. Different variations add ketchup or malt vinegar. We added ketchup.
To read the rest of the story, please go to: NPR.