Baking soda loses potency for baking after 6 months, but it's safe and useful for other purposes. Test baking soda with vinegar to check effectiveness; fizz means it's fresh. Use expired baking soda ...
Dear Heloise: My mom gave me boxes of expired baking soda. Before I throw them out, is there any way to tell whether they’re still good? – Candace, via email Yes, there is. Note: Baking soda does have ...
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