To Pickle Pork
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Ingredients
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1/4 lb. of saltpetre; salt.

Method
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As pork does not keep long without being salted, cut it into pieces of a suitable size as soon as the pig is cold. Rub the pieces of pork well with salt, and put them into a pan with a sprinkling of it between each piece: as it melts on the top, strew on more. Lay a coarse cloth over the pan, a board over that, and a weight on the board, to keep the pork down in the brine. If excluded from the air, it will continue good for nearly 2 years.

Source: Mrs Beeton's Book of Household Management (1861)
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