Baking powder does not last forever. Because it’s sensitive to moisture and humidity, it generally has a shelf life of between six months to one year. Baking powder should be kept in a cool, dry place, such as inside a cabinet, and should be discarded when it is no longer active. (Its cousin, baking soda*, has an indefinite shelf life, although some manufacturers recommend changing…
One of the least expensive, and most effective, things you can do to improve the taste of your cakes, quick breads, cookies, and muffins is to switch to aluminum-free baking powder. Baking powder is a leavening agent, and it’s usually called for in recipes where there are alkaline (as opposed to acidic) ingredients. In actuality, baking soda (sodium bicarbonate) is one of the ingredients in…
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