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To Make Baking Powder
stone jar, cork and tie down firmly, and keep gentle heat, pound tartaric acid, pound in a cool cellar. This is a self-fermenting pure bicarbonate of soda, and pound potato yeast, improves by keeping if not left uncorked, farina; mix them in a dry room, pass the and will not make sour bread. 1813. To Make Yeast with a Fer- packages, observing to press it hard, and to mixture through a sieve, and at once put into ment. Mix 2 quarts water with wheat flour, cover it with tinfoil or close-made paper, and it as much as possible from air and for hour, and when almost cold, stir into it moisture. Or: Mix and pack, as just described, pound sugar and 4 spoonfuls good yeast. + pound tartaric acid, pound alum, & pound Put the whole in a large jug or earthen vessel, pure bicarbonate of soda, 1 pound farina, and with a narrow top, and place it before the fire, 3 ounces sesquicarbonate of ammonia. Or: 5 so that it may, by a moderate heat, ferment. pounds tartaric acid, 8 pounds pure sesqui- The fermentation will throw up a thin liquor, carbonate of soda, and 16 pounds farina. In which pour off and throw away; keep the remainder for use (in a cool place) in a bottle, or jug tied over. The same quantity of this as of common yeast will suffice to bake or brew with. 4 spoonfuls of this yeast will make a fresh quantity as before, and the stock may be always kept up, by fermenting the new with the remainder of the former quantity.