teaspoonfuls baking soda

Baking soda, chemically known as sodium bicarbonate (NaHCO₃), is a white crystalline powder derived from the mineral nahcolite or synthetically produced through the Solvay process. It is an alkaline compound that plays a fundamental leavening role in baking and cooking. Baking soda is odorless, tasteless in small quantities, and reacts with acidic ingredients or moisture to produce carbon dioxide gas, which creates lift and volume in baked goods. It differs from baking powder in that it requires an acid (such as buttermilk, lemon juice, yogurt, or brown sugar) to activate, whereas baking powder contains added acids and activates with heat alone.

Baking soda is primarily employed as a leavening agent in quick breads, cakes, cookies, pancakes, and waffles when paired with acidic ingredients. It is essential in recipes featuring buttermilk, sour cream, citrus, chocolate, or vinegar. Beyond baking, baking soda serves multiple culinary functions: it tenderizes meat when used in marinades, enhances the browning of baked goods, reduces bitterness in chocolate desserts, and alkalizes cooking liquids for softer-textured legumes and greens. It is also used to deglaze pans and as a gentle cleaning agent for vegetables.