Means “cheese and egg balls”, that are effectively vegetarian meatballs made from outdated bread and served either in tomato sauce, broth or fried. They are really notably frequent in Abruzzo but try to find them during Italy at relaxed eateries. ! Here is the rationale I bought your cookbook understanding https://veganrestaurantbaliindonesia.wordpress.com/2024/06/20/a-sustainable-dining-revolution/