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 called "spaghetti alla bolognese", or colloquially "spag bol" or just "spaghetti") is a pasta dish that is commonly served outside Italy. It consists of spaghetti served with a sauce made from tomatoes, minced beef, garlic, wine and herbs; sometimes minced beef can be replaced by other minced meats. In this sense it is actually more similar to Neapolitan ragù from the south of Italy than the northern Bolognese version of Ragu. Often accused of 'inauthenticity' when encountered by Italians abroad, it may be served with a larger proportion of sauce to spaghetti than is common in some Italian spaghetti dishes,