Years ago, I was at a friend’s house and I wanted to make some chocolate chip cookies. When I went digging in her pantry, I found baking powder that had expired many, many years earlier. I tossed it, ...

How to Test for Expired Baking Soda or Baking Powder If you’re unsure just how old your baking soda or powder is, Bryan Quoc Le shared an easy at-home test that will let you know whether they’re still ...

DEAR HELOISE: I understand that baking powder has a shelf life, and that it can go bad. Can you tell me how long it remains good? — Joe and Kay, via e-mail It does have a shelf life, and here’s how to ...

Dear Heloise: I've got a problem! Sometimes my cookies, muffins, cakes and biscuits don't rise enough. I was told that there is a test for checking the freshness of baking powder. I tried this and was ...

While staying at my grandparents’ house last weekend, I was craving pancakes—until I opened the baking cupboard and found a jar of baking soda with a label from the early 2000s. Could it still work?

Test your baking powder’s freshness with a simple hot water fizz test. Fresh baking powder ensures light, fluffy baked goods that hold their shape. Make your own baking powder with baking soda, cream ...