When your pancakes come out too flat or your cake doesn't rise, your leavener might have lost its oomph. Here's how to do a ...

Baking some last-minute holiday cookies? Be sure your baking powder and baking soda are fresh and active so they can leaven the dough. Most containers are marked with "use by" dates. To test baking ...

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 ...

Common cooking staples that have a short shelf life include olive oil, spices, pasta and more. Sometimes it's best to test baking powder, baking soda and yeast, despite expiration dates. Gourmet food ...