Hauskyjza (Silesian: home cheese from the German Hauskäse) is a foodstuff made of cottage cheese, carum and other ingredients, which are mixed, put aside for a few days to acquire the characteristic sharp flavor, scent and tacky consistency, and then warmed and fried.

Hauskyjza or Ser Smazony (fried cheese) or Ser Zgliwiały (rottened cheese) is a traditional product in the regions of Greater Poland, Pomerania, Kuyavia, Subcarpathia and Silesia.

Haukyjza has an exceptionally strong scent and flavor, pleasurable to many aficionados, but found offensive by some people.

Most traditionally, it is served with dark bread and carway or with "music," chopped onions soaked in vinegar and oil.

Lista Produktów Tradycyjnych) of Ministry of Agriculture and Rural Development as Ser domowy smażony z kminkiem, z czosnkiem, bez przypraw (home-made fried cheese with carum, with garlic, without spices).