- Blue cheese is a general classification of cheese that have cultures of the mold Penicillium added, so that the final product is spotted or veined throughout with blue.
- It carries a distinct smell, either from that or various specially cultivated bacteria.
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.