What is Butter and Quark?
What is
Butter is an edible fatty solid made from cream and milk by the process of churning.
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
China, India, Japan, Russia
Germany