what is an uh oh oreo?
Nabisco developed a new kind of Oreo that year: chocolate cream sandwiched between two vanilla biscuits — dubbed the Uh-Oh! Oreo. ... The mishap results in inverted Oreos, with chocolate replacing vanilla in the cream filling and vice-versa for the cookie layers. A year later, these Oreos were rebranded to "Golden Uh-Oh!