Baking soda loses potency for baking after 6 months, but it's safe and useful for other purposes. Test baking soda with vinegar to check effectiveness; fizz means it's fresh. Use expired baking soda ...

Find out when you should toss out this pantry staple. It's a magic ingredient! Chocolate chip cookies, muffins, quick breads, and cakes—many of our favorite baked goods have baking soda to thank for ...