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 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 ...

I understand that baking powder has a shelf life, and that it can go bad. Can you tell us how long it remains good? Thank you. Joe and Kay, via e-mail It does have a shelf life, and here's how to test ...

Almost every cook has faced this scenario: You're following a recipe that requires baking powder but you only have baking soda. What do you do? Can you substitute? Or this one: You haven't baked for a ...

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, ...

You can't have one without the other, but they're not the same. When it comes to baking powder and baking soda, you can't have one (powder) without the other (soda). But that doesn't mean they're ...