Baking soda and baking powder are both used in baking, but they are not interchangeable. Baking soda and baking powder are both common leavening agents for quick breads, cakes, cookies ...
You can make your own baking powder by combining 15ml/1tbsp bicarbonate of soda with 30ml/2tbsp cream of tartar. Measure carefully as too much or too little can upset a recipe’s balance.
Baking soda, which contains sodium bicarbonate, needs an acid and a liquid (something like buttermilk does both jobs, which is why it’s so great in soda bread) to rise. But baking powder, which has an ...