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Fibonacci’s Soup
(sh.itjust.works)
Semi-related fun fact: The center of a KitKat is partly made of crushed off-cuts of the previous batch of KitKats. Which begs the question… what was the first KitKat made of?
If I remember right, the ingredient that's made from the previous batch is the filling between the wafers. Without that, they could have just mashed up some wafer and chocolate to get something of the right consistency, but I'd bet they just used chocolate instead.