There’s nothing worse than baking a cake only to find it flat and lifeless. Both baking soda and baking powder should be stored in a cool, dry cupboard and will remain potent for up to 6 months. If you’re concerned that your leavening agents might be a bit stale then here’s a quick way to find out:
Baking Soda
Combine 1/4 teaspoon baking soda with 2 teaspoons vinegar
Baking Powder
Combine 1 teaspoon baking powder with 1/3 cup water
If the mixture bubbles, then the leavening agents are still good. If they don’t bubble, you need to make a run to the grocery store!
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