Unless you're a dedicated baker, it's unlikely that you'll go through an entire package of baking powder or soda before it loses its efficacy. (Baking powder has a shelf life of about a year, while ...

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 ...

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