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 ...

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, ...

Dear Heloise: 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 ...

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 ...

Baking may seem like magic sometimes, but it's actually science! Just consider baking powder and baking soda for a moment. These chemical leaveners are the reason your baked goods like homemade cakes, ...

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 ...

Baking powder and baking soda are two of the most important ingredients on the baker’s shelf. The advent of these chemical leaveners — as opposed to relying on naturally occurring yeast or the ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Plus, some helpful substitutions.