Mozzarella

Mozzarella is a rennet cheese from southern Italy.

An excerpt from the article 16 facts about Mozzarella
Rennet cheeses are a type of cheese that is obtained by denaturing milk with rennet - a digestive enzyme, a large amount of which is present in the mucosa of the calf's stomach. Currently, in addition to natural rennet, microbiological and genetically modified rennet is used.