Using Baking Powder Instead of Cream of Tartar
Ratio
Use 1 1/2 teaspoons baking powder for 1 teaspoon cream of tartar plus 1/2 teaspoon baking soda
Good — works well with minor differences
Recipe Adjustment Notes
Useful when cream of tartar is paired with baking soda.
The Science Behind This Swap
Baking powder already combines acid and alkali, so it can replace the leavening system in some recipes.
Measurement Variance Note
For 1 cup references, this ingredient can vary by about 6% across brands and measuring methods (152g-172g per cup). For the most reliable substitution result, measure by weight and test a half batch first.
How Baking Powder Compares for Cream of Tartar
Quality rating: good. Useful when cream of tartar is paired with baking soda.