This causes the prosciutto to dry out during the cooking.
Popular fillings include tuna and olive and prosciutto, but many other fillings can be used.
The breed has been selected principally for suitability for the production of "prosciutto crudo".
Following this, tomatoes and wine are added, then the mixture is cooked further with a soffritto of onions, garlic, prosciutto, pancetta and some other ingredients.
In all, it is 80% lean meat, of which 25% will be prosciutto (ham), and 20% of pancetta.
The process of making prosciutto can take anywhere from nine months to two years, depending on the size of the ham.
The secret ingredient included shrimp, octopus, prosciutto, and beef.
The marinated beef version can be consumed uncooked, similar to prosciutto.