This section is from the book "Soyer's Standard Cookery", by Nicolas Soyer. Also available from Amazon: Soyer's Standard Cookery.
The natural juice from the cooking is strained into a stew-pan. Take off all fatty matter. It can be thickened with a little flour, cornflour, or arrowroot, by mixing a teaspoonful of either with one glass of port wine, sherry, Madeira, stock, or water. Mix up with the juice. Bring to the boil, add lemon juice or any condiment, according to taste.
Prepare a Poivrade Sauce for game, as previously described. Finish this sauce with two tablespoonfuls of red-currant jelly, previously dissolved, and mixed with five tablespoonfuls of fresh cream per pint of sauce. The addition of cream and red-currants must be made away from the fire.
 
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