Knowing the difference between the two matters a lot while baking and cooking. Here's how to use baking soda and baking ...

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 ...