Vitello tonnato sauce, homemade, creamy tuna sauce. Daily, at Maurice Mathieu, they make sauces and dressings with only the very best ingredients. They apply a warm preparation method for this, which gives you maximum binding and a better taste. With vitello tonnato, a typical Italian appetizer, a delicious sauce is essential because the entire dish stands or falls with a good sauce. The creamy tuna sauce, according to an authentic recipe, with capers and salted anchovies, has a beautiful texture and fresh color.