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 ...

Some brands of baking powder use aluminum-based acids, while others are formulated to be aluminum-free. Learn the real ...

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 ...

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 found baking powder that had expired many, many years earlier. I tossed it, ...

Baking is a science—and baking powder and baking soda are a big part of it! Both work their magic to create the ideal texture in baked goods, like cakes, muffins and cookies. But have you ever started ...