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
Caruso sauce Caruso sauce Caruso Sauce or Salsa Caruso is a warm sauce made of cream, ham, cheese, nuts and mushrooms. It is served with pasta (typically cappelletti). Caruso sauce was first created in the 1950s in Uruguay, South America, by Raymundo Monti of the restaurant 'Mario and Alberto', located at the intersection of Constituyente and Tacuarembó Streets in Montevideo. Monti wanted to create a new recipe following the current traditions of Italian cuisine. The dish was named in honor of the famous Neapolitan tenor Enrico Caruso (1873–1921) who was a popular figure in South America during his tours of the 1910s.