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HOW TO: Test if Baking Powder and Baking Soda Have Expired

by Sam | The Lovebugs Blog
Baking soda and baking powder are chemical leaveners that lighten baked goods. When they are fresh, they cause chemical reactions that release carbon dioxide in batters, which allow pastries to be light, soft and airy. But, if you use stale baking powder or baking soda, you will end up with a flat d...

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