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,
Tunisian cuisine sauce hollandaise. Tunisian sauces, which are closer to spicy broths, are an integral part of the dish. Otherwise olive oils are often used as sauces, such as with the Tuna Fricassee. This said, harissa or hrissa is often said to be a Tunisian sauce, but it is better described as an ingredient of Tunisian cooking or a seasoning. Harissa is made of red chili, garlic, salt, cumin, coriander, olive oil, and sometimes also caraway or mint. Two Tunisian sauces deserve mentioning: the Kerkennaise sauce and the Mloukhia. The first is made of capers, olive oil, tomato, scallions, coriander, caraway, cumin,