Plus, some helpful substitutions.

Baking soda and baking powder are only as good as their freshness when it comes to baking in the kitchen. Used to leaven everything from cakes and biscuits to doughnuts and waffles (like Jackie ...

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, ...