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?

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, ...

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 ...

Plus, how to tell if your baking powder is still good to use. Whether you're one of those people who only bakes for special occasions like birthdays and holidays or the sort who bakes just about daily ...

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 ...

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 ...