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 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 ...

There’s a reason that recipes often call for more baking powder than baking soda, says Frymer, adding that “a little goes a ...