Baking is a science, which allows for less improvising with a recipe compared to cooking. So when do you need baking powder ...

Because it is pure bicarbonate of soda, a teaspoon of baking soda is 3 to 4 times stronger than a teaspoon of baking powder. So, to substitute effectively, you will have to do some math.

Quick Mix Recipe tested by Alysha Witwicki Makes 14 cups 9 cups flour 5 tablespoons baking powder 5 teaspoons salt 1 ½ cups nonfat dry milk 1/3 cup sugar 1 ½ cups vegetable or butter-flavored ...