Pesto where it is known as "pistou". In contrast with "pesto alla genovese", "pistou" is generally made with olive oil, basil and garlic only: while cheese may be added, usually no nuts are included in a traditional "pistou" because no pine trees grow there to provide the nuts. "Pistou" is used in the typical "soupe au pistou", a hearty vegetable soup with "pistou" flavour. The sauce did not originally contain basil, however; instead, cheese and olive oil were the main constituents. Sometimes almonds are used instead of pine nuts, and sometimes mint leaves are mixed in with the basil leaves. It
Onion sauce or simmer the mixture to create a sauce. Some preparations involve frying the onions until they are browned, while others do not brown the onions. Onion sauce can be used to complement many foods, such as potatoes and peas, meats, such as pork, duck, rabbit, mutton, and liver, such as calf liver. Onion sauce prepared with bread crumbs may be used as a stuffing, which can be used in various poultry dishes, such as goose. Cebolada is a Portuguese onion stew, onion sauce or paste that is prepared with onion as a primary ingredient. It is used on several Portuguese