Ask Dave: Lurking Corn in the Cupboard

Dear Dave, Is there an alternative to using baking powder in a recipe?  I noticed that my brand, Rumford, had cornstarch in the ingredients which I’d like to avoid.  Diane of Tucson, AZ ***After my initial reply that there were no cornstarch-free baking powders and that baking soda is not an equal substitute (results will vary […]