Conversation so far:
What is cuisine is Emilia-Romagna famous for?
Emilia-Romagna is home to the town of Parma, which is the birthplace of Prosciutto di Parma, Italy's most famous pork product.
Tell me about cooking schools and classes in Emilia-Romagna.
What are famous foods from Emilia-Romagna?
The region contains famous foods and ingredients such as Parmigiano Reggiano, balsamic vinegar, prosciutto and well-known pasta like lasagne, tagliatelle, cappelletti, tortellini and stuffed tortellini.
Describe the traditional process for making balsamic vinegar.
Traditional balsamic vinegar is produced from the juice of just-harvested white grapes (typically, Trebbiano grapes) boiled down to reach a minimum sugar concentration of 30% (brix) or more in the must, which is then fermented with a slow aging process which further concentrates the flavours.
What is mortadella and where is it from?
Mortadella (Italian pronunciation: [mortaˈdɛlla]) is a large Italian sausage or luncheon meat (salume [saˈluːme]) made of finely hashed or ground heat-cured pork, which incorporates at least 15% small cubes of pork fat (principally the hard fat from the neck of the pig). Mortadella is a product of Bologna, Italy.
What's the difference between mortadella and bologna?
is that bologna is a smoked, seasoned italian sausage made from beef, pork or veal or bologna can be (nonsense) while mortadella is a smooth-textured italian pork sausage with lumps of fat, flavoured with spices; eaten cold.

Question: Where was Parmesan cheese created
Self-contained rewrite: Where was Parmesan cheese created?