Mixture for Centre of Mould.—Take three ounces of cooked lobster and a quarter of a pint of picked shrimps, and chop these together till fine; add a teaspoonful of chopped tarragon and chervil, or parsley, eight or twelve small stoned and chopped olives, and two peeled tomatoes from which the pips have been removed; cut in dice shapes, mix all together with two tablespoonfuls of thick mayonnaise sauce and two and a half gills of liquid aspic jelly; continue stirring till the mixture begins to set, then use.