A cremeschnitte (german: cremeschnitte, hungarian: krémes, polish: kremówka, napoleonka, romanian: cremșnit, cremeș, crempita, serbian: krempita/кремпита, croatian: kremšnita, slovak: krémeš, slovene: kremna rezina, kremšnita), also known as vanilla slice or custard slice, is a custard and chantilly cream cream cake dessert commonly associated with the former austro-hungarian monarchy. however, its exact origin is unknown. this dish remains popular across central europe and the balkans in various variations, all of which include a puff pastry base and custard cream.

Source: Wikipedia