Mirepoix Sauce (for masking)

Ingredients: Bacon, onions, carrots, ham, a bunch of herbs, parsley, mushrooms, cloves, peppercorns, stock, Chablis.

Put the following ingredients into a stewpan: Some bits of bacon and lean ham, a carrot, all cut into dice, half an onion, a bunch of herbs, a few mushroom cuttings, two cloves, and four peppercorns. To this add one and a quarter pint of good stock and a glass of Chablis, boil rapidly for ten minutes then simmer till it is reduced to a third. Pass through a sieve and use for masking meat, fowl, fish, &c.