Need baking powder but only have cornstarch on hand? You may be wondering if you can use cornstarch instead of baking powder. In this post, we will answer that question and let you know what substitutes actually work if your recipe calls for baking powder and you have none. | Is Baking Powder the Same as Cornstarch? | Cornstarch vs Baking Powder | #cornstarch #bakingpowder #baking