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Leavening

Baking Powder

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What to know

A leavening mixture of sodium bicarbonate, an acidifying agent (typically monocalcium phosphate or sodium aluminum sulfate), and a moisture absorber (cornstarch). Double-acting baking powder releases CO₂ in two stages — first when moistened, then again when heated — providing consistent lift in baked goods. Safe at typical amounts; aluminum-free versions are available for those who prefer to avoid aluminum salts.

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