While staying at my grandparents' house last weekend, I was craving pancakes—until I opened the baking cupboard and found a jar of baking soda with a label from the early 2000s. Could it still work?

Dear Heloise: I've got a problem! Sometimes my cookies, muffins, cakes and biscuits do not rise enough. I was told that there is a test for checking the freshness of baking powder. I tried this and ...

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 ...