rounded teaspoon of baking powder
Baking powder contains negligible calories and nutrients in typical culinary amounts; it serves a functional rather than nutritional role in recipes.
About
Baking powder is a leavening agent composed primarily of sodium bicarbonate (baking soda) combined with one or more acid salts—typically cream of tartar, sodium aluminum sulfate, or monocalcium phosphate—along with a drying agent such as cornstarch or potato starch. The acid-base reaction between these components produces carbon dioxide gas when moistened and heated, causing batters and doughs to rise during baking. Modern commercial baking powder is predominantly double-acting, meaning it produces gas in two stages: first when mixed with liquid at room temperature, and again when exposed to heat in the oven, providing more reliable and controlled leavening than single-acting formulations.
Culinary Uses
Baking powder is essential in quick breads, cakes, cookies, biscuits, and other baked goods where rapid and uniform rise is desired without the extended fermentation required by yeast. It is used in cuisines worldwide—from American pancakes and muffins to Australian lamingtons to Asian chiffon cakes. The standard ratio is approximately 1-2 teaspoons per cup of flour, though this varies by recipe and desired crumb structure. Baking powder is typically sifted together with dry ingredients before liquid is added to ensure even distribution and consistent leavening throughout the batter.