Bolognese sauce tagliatelle made with eggs and northern Italy’s soft wheat flour. Acceptable alternatives to fresh tagliatelle include other broad flat pasta shapes, such as pappardelle or fettuccine, and tube shapes, such as rigatoni and penne. While the main complaint of traditionalists is against the use of spaghetti rather than fresh tagliatelle for the pasta, native Bolognese Piero Valdiserra has argued that "spaghetti could be considered traditional in Bologna", even though tagliatelle is the "most suitable" pasta. "Ragù alla bolognese" along with "béchamel" is also used by many Italian chefs to prepare traditional baked lasagna in Bolognese style. Gruppo Virtuale Cuochi Italiani
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