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?

Many recipes call for baking powder, but who bakes enough to use a whole can before it expires? In fact, I learned the hard ...

How to Test for Expired Baking Soda or Baking Powder If you’re unsure just how old your baking soda or powder is, Bryan Quoc Le shared an easy at-home test that will let you know whether they’re still ...