What is
sort of cheese
  
Quark is a type of fresh dairy product, common for the cuisines of German-speaking countries made by warming soured milk until the desired degree of coagulation (denaturation, curdling) of milk proteins is met, and then strained.
  
Origin
Afghanistan, Central asian countries like kazakhstan, kyrgyzstan, tajikistan, Iran, Southwest Asian countries- Armenia, Azerbaijan, Georgia, Turkey, Tajikistan
  
Germany