What is the difference between baking soda and baking powder and?!
Answers: can you use baking powder instead of baking soda in cookies?
Baking powder is a mixture of baking soda and an acid (like cream of tarter). Baking powder reacts it's two components together when a liquid is added.
You can get the same effect with baking soda if you add an acid (like vinegar), or more commonly something like buttermilk as in Soda Bread.
If you have cream of tarter, you can use that along with baking soda to make your own baking powder.
If you do this, For each 1 teaspoon baking powder called for in a recipe, use:
1/4 teaspoon baking soda plus 1/2 teaspoon cream of tartar;
These can not be a substitue for each other.
baking powder
A mixture of baking soda, starch, and at least one slightly acidic compound such as cream of tartar that works as a leavening agent in baking by releasing carbon dioxide when mixed with a liquid, such as milk or water.
baking soda
A white crystalline compound, NaHCO3, with a slightly alkaline taste, used in making effervescent salts and beverages, artificial mineral water, pharmaceuticals, and fire extinguishers.