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
Pasta extruder through which the pasta is pushed determine the shape that results. The pasta is then dried at a high temperature. The ingredients to make dried pasta usually include water and semolina flour; egg for colour and richness (in some types of pasta), and possibly vegetable juice (such as spinach, beet, tomato, carrot), herbs or spices for colour and flavour. After mixing semolina flour with warm water the dough is kneaded mechanically until it becomes firm and dry. If pasta is to be flavoured, eggs, vegetable juices, and herbs are added at this stage. The dough is then passed into