Best Substitutes for Baking Soda
Baking soda needs an acid to activate — baking powder already contains one, so use more of it.
Best overall swap
Baking powder
3 tsp baking powder per 1 tsp baking sodaBaking powder is weaker per teaspoon, so you need roughly 3x as much. Expect a slightly less tender crumb.
All Substitutes for Baking Soda
Baking powder
3 tsp baking powder per 1 tsp baking sodaBaking powder is weaker per teaspoon, so you need roughly 3x as much. Expect a slightly less tender crumb.
Baker’s ammonia
1:1Traditional in old cookie recipes; gives crisp texture but has a strong smell while baking that fades.
Self-rising flour
Replace all-purpose flour 1:1 with self-rising flour, omit added saltOnly works if the recipe also calls for flour, since self-rising flour already contains leavener.