Olivier salad the dressing — was a jealously guarded secret, but it is known that the salad contained grouse, veal tongue, caviar, lettuce, crayfish tails, capers, and smoked duck, although it is possible that the recipe was varied seasonally. The original Olivier dressing was a type of mayonnaise, made with French wine vinegar, mustard, and Provençal olive oil; its exact recipe, however, remains unknown. At the turn of the 20th century, one of Olivier's sous-chefs, Ivan Ivanov, attempted to steal the recipe. While preparing the dressing one evening in solitude, as was his custom, Olivier was suddenly called away on some emergency.
Salad France are vinaigrettes, typically mustard-based, while sour cream (smetana) and mayonnaise are predominant in eastern European countries and Russia. Thicker sauces are sometimes referred to as "baked potato", as a form of metonymy, although they rarely contain any starch products. In Denmark, dressings are often based on crème fraîche. In southern Europe and the eastern Mediterranean, salad is generally dressed by the diner with olive oil and vinegar. In Asia, it is common to add sesame oil, fish sauce, citrus juice, or soy sauce to salad dressings. Other salad dressings include: On 4 September 2016, the largest recorded salad, weighing