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 cream similar, if thicker alternative); however, with the large population of British expatriates, especially in the Northeast, it is becoming more common. Major retail supermarket chains sell salad cream as a regular item. Many supermarkets sell national and store brands of salad dressing which resemble salad cream. Salad cream Salad cream is a creamy, pale yellow condiment based on an emulsion of about 25–50 percent oil in water, emulsified by egg yolk and acidulated by spirit vinegar. It may include other ingredients such as sugar, mustard, salt, thickener, spices, flavouring and colouring. The first ready-made commercial product was introduced in the