Cepelina/Pyzy in Wrocław

Does anybody know where I can get this food called cepelina (not sure if the spelling is right) in Wrocław? My girlfriend and I were visiting Krakow and we saw a restaurant that had it and she really wanted it but we weren't able to eat there. I told her maybe we could find it somewhere back in Wrocław. Anyhow it's a type of potato dish, it's like a ball made of potato and it's stuffed in the middle with ground meat or something like that. Any suggestions would be appreciated.

Cepelina is the same thing as "pyzy". They can be with meat or cheese and are usually popular in many restaurants and are most often listed as "Pyzy".