Post-Bulletin

Not sure if baking powder’s still good? Here’s the test

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 ...
Simply Recipes on MSN

How To Tell if Your Baking Powder Is Fresh, According to a Pastry Chef

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 ...
Yahoo

Here's How Often You Should Really Be Replacing Your Baking Soda And Baking Powder

If you've gone to all the trouble of baking a homemade cake or batch of cookies, only to find they came out flat or dense, your leavening agent might be to blame. While baking powder and baking soda ...