Homemade Baking Powder

1 lb Soda

1 1/2 lb Cream of tartar

1/4 lb Cornstarch

The make the best (and double the strength of any on the market) Baking Powder known. Try it. A. E. Crosby, chemist. Twentieth Century Cookbook, 1906. Origin: A Taste of Oregon Shared by: Sharon Stevens