Homemade Baking Powder

Why I Love This Recipe
Most commerically-produced baking powder contains aluminum--sodium aluminum sulfate to be exact. Make your own baking powder, and keep your baked goods aluminum-free.
Baking powder is a key ingredient in many cake, cookie and bread recipes; but that doesn't mean you have to pay someone else to make it.
To store baking powder: Add a teaspoon of corn starch to the mixture, and stir. This will absorb any moisture from the air, and prevent the baking powder from reacting before you need it. Store in an air-tight
Here's how to make your own baking powder:
Ingredients You'll Need
1 teaspoon baking soda
2 teaspoons cream of tartar
1 teaspoon corn starch (optional)
Directions
Mix the baking soda and cream of tartar together until well combined. Use immediately.