Spaghetti with meatballs are part of the culinary tradition of the Abruzzo, Apulia, Sicily, and other parts of southern Italy. A recipe for rigatoni with meatballs is in "Il cucchiaio d'argento" ("The Silver Spoon"), a comprehensive Italian cookbook known as the "bible" of Italian cooking. Other dishes that have similarities to spaghetti and meatballs include "pasta seduta" 'seated pasta' and "maccaroni azzese" in Apulia. Some baked pasta dishes from Apulia combine pasta and meat where meatballs, mortadella, or salami are baked with rigatoni, tomato sauce, and mozzarella, then covered with a pastry top. Other pasta recipes include slices of meat rolled up with
Food are used as food sources are raised by feeding them food derived from plants. Cereal grain is a staple food that provides more food energy worldwide than any other type of crop. Corn (maize), wheat, and rice – in all of their varieties – account for 87% of all grain production worldwide. Most of the grain that is produced worldwide is fed to livestock. Some foods not from animal or plant sources include various edible fungi, especially mushrooms. Fungi and ambient bacteria are used in the preparation of fermented and pickled foods like leavened bread, alcoholic drinks, cheese, pickles, kombucha,