If pączki are anything like Czech koblihy (to which they bear an uncanny resemblance -- cf. https://cs.wikipedia.org/wiki/Kobliha#/media/Soubor:Picswiss_BL-57-1

If pączki are anything like Czech koblihy (to which they bear an uncanny resemblance -- cf. https://cs.wikipedia.org/wiki/Kobliha#/media/Soubor:Picswiss_BL-57-12.jpg https://cs.wikipedia.org/wiki/Kobliha#/media/Soubor:Picswiss...), then their dough is must be very different from dough for koláče.