They have different uses.
If its sweet, Ive probably made it.
When liquid is added and mixed with dry ingredients, some of the carbon dioxide is released.
Simply Recipes / Photo Illustration by Wanda Abraham / Getty Images
Then, when its exposed to heat during baking, the rest of the gas is released.
Thats why its considered a double-acting ingredient.
Baking powder is used in recipes likebiscuitsorsconesthat dont have strong acids among the ingredients.
Simply Recipes / Getty Images
Simply Recipes / Getty Images
Can You Substitute One for the Other?
To replace baking soda, use three times the amount of baking powder in its place.
However, this might affect the recipes taste and texture in ways that are hard to predict.
In general, it is best to use the leavener called for in the recipe for the best outcome.
Be sure to check the best-by date before using eitherbaking sodaor baking powder.
An expired leavening agent wont produce the carbon dioxide needed for proper rising, leading to disappointing results.
