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 ...
Better Homes and Gardens on MSN

Does Baking Soda Go Bad? Experts Weigh In

Find out when you should toss out this pantry staple. It's a magic ingredient! Chocolate chip cookies, muffins, quick breads, ...