It's supposed to look like this https://cs.wikipedia.org/wiki/Kol%C3%A1%C4%8D#/media/Soubor:Kol%C3%A1%C4%8Dky.jpg https://cs.wikipedia.org/wiki/Kol%C3%A1%C4%8D#

It's supposed to look like this https://cs.wikipedia.org/wiki/Kol%C3%A1%C4%8D#/media/Soubor:Kol%C3%A1%C4%8Dky.jpg https://cs.wikipedia.org/wiki/Kol%C3%A1%C4%8D#/media/Soubor:... , but apparently in the US, some people put meat in them, when they're actually supposed to be filled with prune plum spread ("povidla") or some other fruit filling, poppy seed filling, or quark.