Whether you're one of those people who only bakes for special occasions like birthdays and holidays or the sort who bakes just about daily, you probably have a stash of baking powder somewhere in your ...

Claire is Lifehacker's Senior Food Editor. She has a B.S. in chemistry, a decade of food journalism experience, and a deep love for mayonnaise and MSG. At any given moment, I have at least one open ...

Plus, how to tell if your baking powder is still good to use. Whether you're one of those people who only bakes for special ...

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 ...