Pasta tomato sauce, garlic and herbs. In Northern Italy "white sauce" is more common. However Italian cuisine is best identified by individual regions. Pasta dishes with lighter use of tomato are found in Trentino-Alto Adige and Emilia Romagna. In Bologna, the meat-based "Bolognese sauce" incorporates a small amount of tomato concentrate and a green sauce called "pesto" originates from Genoa. In Central Italy, there are sauces such as "tomato sauce", "amatriciana", "arrabbiata" and the egg-based "carbonara". Tomato sauces are also present in Southern Italian cuisine, where they originated. In Southern Italy more complex variations include pasta paired with fresh vegetables, olives,
Bolognese sauce types of minced or finely chopped beef, often alongside small amounts of fatty pork. White wine, milk, and a small amount of tomato concentrate or tomatoes are added, and the dish is then gently simmered at length to produce a thick sauce. The earliest documented recipe of an Italian meat-based sauce ("ragù") served with pasta comes from late 18th century Imola, near Bologna. A recipe for a meat sauce for pasta that is specifically described as being "bolognese" appeared in Pellegrino Artusi's cookbook of 1891. The "ragù alla bolognese" that is now traditionally associated with tagliatelle and lasagne is somewhat