Mix up this baking essential — or a good substitute — in minutes. Stacey Ballis is a novelist, cookbook author, and food writer with 20 years of experience. She has authored a cookbook called "Big ...

Baking soda reacts with an acid to cause batters and doughs to rise and spread while baking. Baking powder reacts with liquid and heat to create a light, fluffy texture in baked goods. While they ...