The limited-edition wafers are flavored like hotteok, the brown sugar–filled Korean pancake BTS members grew up eating.

BTS-Inspired Purple Oreos Could Be the Fastest Sellout Snack of the Year ...

Everyone has their preferred method for snacking on tasty Oreo cookies: twisting the two halves apart to eat the creme filling first, perhaps, before dunking the chocolate wafers in a glass of milk.

Enterprising engineers tested the creamy filling to understand what happens when the sandwich cookie is twisted apart. It’s an enigma to cookie monsters everywhere: Why does the filling in an Oreo ...