level teaspoon baking powder

Baking powder is a chemical leavening agent composed of a base (typically sodium bicarbonate, commonly known as baking soda), one or more acids (such as cream of tartar or monocalcium phosphate), and a moisture absorber (usually cornstarch or flour). It functions by releasing carbon dioxide gas when mixed with liquid and/or heat, creating the rise and texture in baked goods. Double-acting baking powder, the most common commercial form, releases gas in two stages: upon mixing with wet ingredients and again during baking, providing greater control over leavening.

Baking powder is essential in baking, used to leaven quick breads, cakes, cookies, biscuits, and pancakes without requiring fermentation or yeast. It is particularly valuable in recipes requiring immediate baking after mixing. A level teaspoon typically leavens approximately one cup of flour. Baking powder is often used in conjunction with flour and liquid to achieve desired crumb structure and volume. It appears across global cuisines in applications ranging from American biscuits and muffins to Japanese castella cake and Indian quick breads.