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.
Rice vinegar dishes"), "tsukemono" (漬物, "pickles"), "nimono" (煮物, "simmered dishes"), as well as in marinades to mitigate the stronger odours of certain fishes and meats. Seasoned rice vinegar (合わせ酢 "awasezu") is made by adding sake, salt and sugar. Additionally, mirin is also sometimes used (but only rarely). Although it can be made at home, prepared awasezu can also be readily bought at supermarkets. Seasoned rice vinegar is added to cooked rice to be used in making sushi. It is also used in salad dressing varieties popular in the west, such as ginger or sesame dressing. A somewhat lighter form of black vinegar