Thanks to a famous episode of Seinfeld, the black and white cookie, once only known to New Yorkers, garnered national attention. In that episode, Jerry used the black and white as a metaphor for racial harmony. Although called a cookie, these treats are actually made from a stiff cake batter and baked free-form on a cookie sheet. Once found only in bakeries, today the black and white can be found in almost every grocery store and bodega in New York.