Best Substitutes for Baking Powder
Out of baking powder? Mix baking soda with an acid to get the same lift.
Best overall swap
Baking soda + cream of tartar
1/4 tsp baking soda + 1/2 tsp cream of tartar per 1 tsp baking powderThe closest true substitute — replicates the double-acting reaction almost exactly.
All Substitutes for Baking Powder
Baking soda + cream of tartar
1/4 tsp baking soda + 1/2 tsp cream of tartar per 1 tsp baking powderThe closest true substitute — replicates the double-acting reaction almost exactly.
Baking soda + lemon juice
1/4 tsp baking soda + 1/2 tsp lemon juice per 1 tsp baking powderWorks well in pancakes and quick breads; add the acid last since it reacts immediately.
Baking soda + buttermilk
1/4 tsp baking soda per 1 tsp baking powder, replace 1/2 cup liquid in the recipe with buttermilkBest when the recipe already calls for milk — swap it for buttermilk to supply the acid.