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 ...

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 ...

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 ...

I understand that baking powder has a shelf life. Can you tell us how long it remains good? Thank you. JOE AND KAY, via e-mail It does have a shelf life, and here's how to test baking powder: Add 1 ...

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 ...