Gluten Free Baking Powder

Grrrrrgh!
Course : Gluten Free
From: HungryMonster.com
Serves: 1
 

Ingredients:

1 teaspoon baking powder
2 teaspoons cream of tartar
8 teaspoons cornstarch
 

Preparation:

Sift together 4-5 times. Store in airtight container. Use within 3 months.