If your favorite baking recipes suddenly stop turning out well, don’t panic! There may be a simple answer—your leavener may be expired. (By the way, this is the difference between baking soda and ...

Baking powder is made with baking soda and cream of tartar (or cornstarch). It adds lift to baked goods without needing an acidic liquid to start its chemical reaction and help the dough rise. Any ...

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 ...