Ask Cynthia a Question – August 23, 2012

Cindy 2003 Photo smallRose’s question: How often should I replace baking soda or baking powder? I’ve heard you should make sure it is fresh. Is there a test to see if it is okay to use?

My answer: How to test baking powder (next week I’ll address baking soda). First stir the contents of the can to see if there are any lumps. Lumps are an indication that the baking powder has picked up moisture and has started a reaction in the can. Check the code dates on the bottom of the can to make sure it is still in code. Baking powder has a usual useful life of 24 months from the date of manufacture. Stir 1 teaspoon baking powder into 1/3 cup hot water. If it bubbles gently, it is fine to use. If you have a can of baking powder that has been sitting in your cupboard for a year or more – toss it out! Here’s a site that will tell you everything you need to know about baking powder and more. Thank you, Rose, for your question and your interest in Ask Cynthia a Question.

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