Using Baking Soda + Cream of Tartar Instead of Baking Powder
Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
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.
The Science Behind This Swap
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.
What Works & What Doesn't
Works Well In
- Muffins & quick breads
- Cookies
- Pancakes & waffles
Use With Caution
- Laminated doughs
- Macarons
- Precision pastry