How to Tell if Expired Baking Powder Is Still Viable


Baking powder is the leavening agent that gives the rise and fluffiness to your baked goods. Even when stored in a cool, dry place as directed, it is sensitive to the moisture and humidity in your home and will lose its effectiveness within 6 to 12 months. Test your baking powder to make sure it is still viable before using it in baking.

Things You'll Need

  • 1/2 cup hot water
  • 1/4 teaspoon baking powder
  • Spoon
  • Bowl
  • Pour 1/2 cup hot water into a bowl.

  • Stir 1/4 teaspoon baking powder into the water.

  • Observe the reaction. Active baking powder will bubble immediately. If there are just a few bubbles, it's losing its effectiveness. If there is no bubbling, the baking powder will not give your baked goods a rise.

Tips & Warnings

  • You may use baking powder that is losing its effectiveness, although your baked item will be denser than usual.
  • Do not increase the amount of baking powder to increase the rise; this will affect the flavor.

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