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.
Italian dressing variations of Italian, as well as many other flavors. Italian salad dressing was also served in Kansas City, MO at the Wishbone Restaurant beginning in 1948. The Wishbone had been opened in 1945 by Phillip Sollomi along with Lena Sollomi, Phillip's mother. The Italian dressing served at the Wishbone was based on a recipe from Lena Sollomi's Sicilian family which was a blend of oil, vinegar, herbs and spices. Demand for the salad dressing proved so high that Phillip started a separate operation to produce it for sale, making it by the barrel. The dressing recipe was eventually purchased by