Baking Soda Substitute
The real swap for baking soda, and how much to use so your bake still rises right.
Real substitutes for 1 teaspoon of baking soda
Baking powder
3 teaspoons baking powder per teaspoon of baking soda needed
Baking powder already contains an acid, so it needs roughly 3x the amount to give the same lift -- but it will change the flavor slightly and may leave a faint aftertaste at that volume.
Baker's ammonia (ammonium carbonate)
Same amount, 1:1
A traditional leavener in thin, crisp baked goods where its strong initial rise matters more than long-term structure -- not common in home kitchens, but a real option if you have it.
Frequently Asked Questions
What can I use instead of baking soda?
Baking powder is the standard swap -- use about 3 teaspoons of baking powder for every 1 teaspoon of baking soda a recipe calls for, since baking powder is weaker per teaspoon and already contains its own acid.
Will using baking powder instead change the taste?
Slightly -- baking soda has no flavor of its own, but the larger volume of baking powder needed can leave a faint metallic or bitter aftertaste in some recipes, especially delicate ones like sugar cookies.
Can I just leave baking soda out entirely?
You can, but the recipe won't rise the same way -- baking soda's whole job is leavening, so skipping it (rather than substituting something in its place) usually means a denser, flatter result.