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David

Darling

baking powder

baking powder

Baking powder is a white yeast substitute which causes dough to rise by giving off carbon dioxide bubbles when moistened. It is composed of sodium bicarbonate, also called baking soda, an acid (usually tartaric acid or alum) which reacts with sodium bicarbonate in water to release carbon dioxide, and an inert substance such as starch to retard the reaction while the powder is dry.