Do I Really Need to Buy a New Box of Baking Soda Every Month?

Anjali Prasertong
Anjali Prasertong
Anjali Prasertong is a writer and public health dietitian focused on food systems, racial equity, and nutrition. Originally from Los Angeles, she has taught English in rural Japan, worked as a private chef in Malibu, and led an innovative city-funded corner store program in New Orleans that increased fresh food access in low-income neighborhoods. She was previously a contributing editor for The Kitchn, and currently lives in Denver with her husband and two kids.
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updated May 2, 2019
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Should I be buying new baking soda, and if so, does that apply to baking powder as well?

Sent by
Emilie

Editor: Emilie, there is no need to replace your baking soda or baking powder every month; that recommendation applies to baking soda you are using to absorb odors. The shelf life for baking soda is about three years, but if you are worried that an open box is no longer potent, you can do a quick test to check it:

→ Baking Tricks: How to Tell if Baking Soda Has Expired

Readers, how often do you replace your baking soda and baking powder?

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Related: Can Expired Baking Soda Be Used for Cleaning?

(Image: Elizabeth Passarella)

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Baking
Ingredient
Cooking Methods