Here’s an easy recipe for baking powder that does not contain aluminum, cornstarch or potato starch, in case you are allergic to any of these.

Homemade Baking Powder

1/4 cup tapioca flour or arrowroot flour

1/4 cup cream of tartar

2 Tablespoons baking soda

Mix well and place in labeled jar with tight-fitting lid. Use as regular baking powder.