Baking soda, also known as sodium bicarbonate, is a powerhouse ingredient that is a must-have in any baker's pantry. Its versatility extends far beyond baking, making it a useful household staple. When combined with buttermilk or vinegar, baking soda results in a light and airy texture in baked goods. It acts as a leavening agent, helping dough rise and creating tender cakes and fluffy pancakes. Baking soda also works wonders as a cleaning agent, deodoriser, and stain remover due to its natural alkaline properties. With its myriad of uses, baking soda proves to be an indispensable ingredient that adds both magic and practicality to the kitchen.