Baking soda is sodium bicarbonate and when combined with an acidic ingredient (buttermilk, lemon juice, etc.), it creates carbon dioxide gas, which expands in the heat of the oven and helps cookies, cakes, and other baked goods rise.
Baking soda is sodium bicarbonate and when combined with an acidic ingredient (buttermilk, lemon juice, etc.), it creates carbon dioxide gas, which expands in the heat of the oven and helps cookies, cakes, and other baked goods rise.
