Can Cream Of Tartar Substitute For Baking Powder?
While baking powder contains cream of tartar, it also includes baking soda and cornstarch, so cream of tartar is not a complete substitute for baking powder. However, if you’re in a pinch, you can make a DIY baking powder replacement by combining cream of tartar with baking soda and cornstarch in a 1:1:2 ratio.