Can I use baking soda + cream of tartar instead of baking powder?

Yes. Use 1/4 tsp baking soda + 1/2 tsp cream of tartar per 1 tsp baking powder. This is essentially homemade baking powder. Single-acting only.

Using Baking Soda + Cream of Tartar Instead of Baking Powder

Reviewed by the CupOrGram Editorial TeamSources: King Arthur Baking, USDA FoodData CentralMethodology

Ratio

1/4 tsp baking soda + 1/2 tsp cream of tartar per 1 tsp baking powder

Excellent — nearly identical results

Recipe Adjustment Notes

This is essentially homemade baking powder. Single-acting only.

Measurement Variance Note

For 1 cup references, this ingredient can vary by about 6% across brands and measuring methods (173g-195g per cup). For the most reliable substitution result, measure by weight and test a half batch first.

How Baking Soda + Cream of Tartar Compares for Baking Powder

Quality rating: excellent. This is essentially homemade baking powder. Single-acting only.

Check This Substitute by Recipe Type

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