Sofrito is heavily emphasized as the third critical component in a "sofregit" base along with tomatoes and onions. Garlic is optional, as it is not considered an integral part of the standard "sofregit" recipe. Some "sofregit" recipes do not contain tomatoes at all, but are made more complex with the addition of diced vegetables such as leeks or bell peppers. In Italian cuisine, chopped onions, carrots and celery is battuto, and then, slowly cooked in olive oil, becomes "soffritto". It is used as the base for most pasta sauces, such as arrabbiata sauce, but occasionally it can be used as the
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,