Question: are baking powder and cornstarch the same thing?
Answer: Baking powder is a leavening agent, made from sodium bicarbonate, corn starch, and a few weak acids. ... Corn starch (literally the starch from corn, in powdered form) is different from baking powder or any leaven... Baking powder is a leavening agent, made from sodium bicarbonate, corn starch, and a few weak acids.