Using Baking Soda + Molasses Instead of Baking Powder
Ratio
¼ tsp baking soda + ¼ cup molasses per 1 tsp baking powder; cut sugar by ¼ cup
Moderate — noticeable differences, use with care
Recipe Adjustment Notes
Only for spice cakes, gingerbread, and dark cookies where molasses flavour belongs.
The Science Behind This Swap
Molasses is mildly acidic — enough to activate the soda — but it also adds sugar, moisture, and colour.
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 + Molasses Compares for Baking Powder
Quality rating: moderate. Only for spice cakes, gingerbread, and dark cookies where molasses flavour belongs.