What is
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.
Vanilla ice cream, the most popular flavors around the world, is created by cooling a mixture of cream, vanilla extract and sugar.
Origin
Germany
Africa, Asia, China, Europe, North America