What is baking soda? Baking soda is a leavening agent

used in baked goods like cakes, muffins, and cookies. Formally known as sodium bicarbonate, it's a white crystalline powder that is naturally alkaline, or basic (1). Baking soda becomes activated when it's combined with both an acidic ingredient and a liquid.

Is baking soda and bicarbonate of soda the same thing?

Baking soda is pure sodium bicarbonate, a fine white powder that has many uses. You may wonder about bicarbonate of soda vs. baking soda, but they are simply alternate terms for the same ingredient. If your recipe calls for bicarbonate of soda, it is simply referring to baking soda.

What is baking soda equal to?

Since baking soda is an ingredient of baking powder, baking powder is technically the best substitute for baking soda. Gan — who noted that any substitutions may change the texture and flavor of the final dish — recommended using three times the amount of baking powder in lieu of baking soda.