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.

Question: Describe the traditional process for making balsamic vinegar
Self-contained rewrite: Describe the traditional process for making balsamic vinegar.