scant teaspoon soda

Baking soda, scientifically known as sodium bicarbonate (NaHCO₃), is a naturally occurring alkaline compound that serves as a leavening agent in baking and cooking. It is a white, crystalline powder with a slightly salty taste and neutral odor. When exposed to heat or acidic ingredients, sodium bicarbonate decomposes to release carbon dioxide gas, which creates lift and rise in batters and doughs. It is distinct from baking powder, which contains baking soda plus acidic agents and stabilizers. Pure baking soda has been mined from natural deposits and synthetically manufactured for over a century, making it a staple in kitchens worldwide.

Baking soda functions primarily as a leavening agent in quick breads, cakes, cookies, and pancakes when combined with acidic ingredients such as buttermilk, lemon juice, yogurt, or brown sugar. It is essential in recipes requiring rapid rise without yeast fermentation. Beyond baking, baking soda neutralizes acidic flavors in tomato-based sauces, tenderizes tough cuts of meat through alkaline breakdown of proteins, and helps vegetables retain their vibrant color by raising pH during cooking. It also serves as a cleaning and deodorizing agent in the kitchen, though this use falls outside culinary application.