Has this happened? You're getting ready to bake a few dozen cookies. You’re pulling out the ingredients, and you see it calls for baking powder and baking soda. But you only have one. Now you’re ...

Baking soda and baking powder look and feel nearly identical — white, soft, and powdery. They're both chemical leavening agents that help dough and batter because of their anti-caking chemical: sodium ...