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.
Vinegar Hill, Brooklyn the 19th century, one of several places in the New York area with that moniker because of its sizable population of Irish immigrants. Vinegar Hill stretches from the East River Waterfront to Front Street and from the Brooklyn Navy Yard to Bridge Street, roughly comprising a six block area. Before the construction of the Brooklyn-Queens Expressway in the 1950s, Vinegar Hill's area was significantly larger, extending south to Tillary Street, including what is now known as RAMBO. The neighborhood also includes the New York City Housing Authority's Farragut Houses. Most of Vinegar Hill consists of 19th-century Federal Style and Greek