149. Papillotte Sauce.—Scrape half an ounce of fat bacon, put it in a pan with four tablespoonfuls of chopped onions, stir over the fire for a few minutes, then add ten tablespoonfuls of brown sauce, and boil; then add a tablespoonful of mushrooms chopped, one ditto of parsley, a little nutmeg, a little pepper and sugar, a little scraped garlic; reduce till rather thickish; put on dish till cold, and use it for anything you may put up “en papillotte.”