[header] How to substitute baking soda [title] Use triple the amount of baking powder. [step] One of the easiest substitutes for baking soda is baking powder. If you have baking powder in your cabinet, simply add triple the amount of baking powder to your recipe. 
For example, if your recipe calls for one tablespoon of baking soda, add three tablespoons of baking powder. [substeps] You can substitute baking powder for baking soda in pretty much any recipe that requires baking soda.