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Chemistry in the Kitchen

Introduction

If baking soda and baking powder are different, how can I substitute one for another?

Since baking powder is diluted baking soda with acid, if your recipe calls for powder but you only have soda, you’ll need to use less, but add an acid. Generally the ratio is three parts baking powder equals one part baking soda with two parts cream of tartar (or another acid substitute).



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