Baking Soda vs. Baking Powder: What’s the Difference? (2024)

Baking soda and baking powder are both leavening agents, which are substances used to help baked goods rise. Baking powder contains baking soda, along with other ingredients.

Experienced and amateur bakers alike often confuse them due to their similar names and appearances.

This article explains the differences between baking soda and baking powder and how interchanging one for the other may affect your baked goods.

Baking Soda vs. Baking Powder: What’s the Difference? (1)Share on Pinterest

Baking soda is a leavening agent used in baked goods like cakes, muffins, and cookies.

Formally known as sodium bicarbonate, it’s a white crystalline powder that is naturally alkaline, or basic (1).

Baking soda becomes activated when it’s combined with both an acidic ingredient and a liquid. Upon activation, carbon dioxide is produced, which allows baked goods to rise and become light and fluffy (1).

This is why recipes that include baking soda will also list an acidic ingredient, such as lemon juice or buttermilk (2, 3).

Summary

Baking soda, chemically known as sodium bicarbonate, is a baking ingredient that’s activated by a liquid and an acid to help with leavening, or rising.

Unlike baking soda, baking powder is a complete leavening agent, meaning it contains both the base (sodium bicarbonate) and acid needed for the product to rise.

Cornstarch is also typically found in baking powder. It’s added as a buffer to prevent the acid and base from activating during storage.

Similarly to how baking soda reacts with water and an acidic ingredient, the acid in baking powder reacts with sodium bicarbonate and releases carbon dioxide once it’s combined with a liquid (4).

Single- and double-acting baking powders are available, though single-acting varieties are typically only used by food manufacturers and not usually available for household use (5).

When a recipe calls for baking powder, it’s most likely referring to the double-acting kind.

This means the powder creates two separate reactions: initially, when combined with liquid at room temperature, and secondly, once the mixture is heated.

For many recipes, an extended reaction is favorable, so the leavening, or rising, doesn’t happen all at once.

Summary

Baking powder is a complete leavening agent, meaning it contains both sodium bicarbonate and an acidic ingredient. It’s available as a single- or double-acting agent, though double-acting powders are more widely used.

Baking soda is used in recipes that also include an acidic ingredient, such as cream of tartar, buttermilk, or citrus juice.

Conversely, baking powder is typically used when the recipe doesn’t feature an acidic ingredient, as the powder already includes the acid needed to produce carbon dioxide.

Baked good mixtures can vary greatly in their acidity level. To produce a desirable baked good, you need to find the right balance between acid and base.

Some recipes may call for both baking soda and baking powder.

Typically this is because the recipe contains an acid that needs to be offset by the baking soda but may not be enough to completely leaven the product.

Summary

Baking soda is used when the recipe includes acidic ingredients while baking powder can be used without additional acidic ingredients.

While it’s possible to interchange baking soda and baking powder in recipes, it’s not as straightforward as simply replacing one for the other.

Substituting baking powder for baking soda

Though substituting baking powder for baking soda isn’t widely recommended, you may be able to make it work in a pinch.

Swapping baking powder for baking soda won’t require additional ingredients.

However, baking soda is much stronger than baking powder. Thus, you likely need around 3 times as much powder as you would soda to create the same rising ability.

Also, this substitution may cause your final product to have a chemical or bitter taste.

Alternatively, you could try one of several other substitutes for baking soda.

Substituting baking soda for baking powder

If your recipe calls for baking powder and all you have at hand is baking soda, you may be able to substitute, but you need to include additional ingredients.

Because baking soda is lacking the acid that baking powder would normally add to the recipe, you have to make sure to add an acidic ingredient, such as cream of tartar, to activate the baking soda.

What’s more, baking soda has much stronger leavening power than baking powder.

As a rule of thumb, about 1 teaspoon of baking powder is equivalent to 1/4 teaspoon of baking soda.

Summary

While interchanging baking powder and baking soda in recipes isn’t as simple as a 1:1 substitution, it can work with certain modifications to your recipe.

Many baked-good recipes include baking soda or baking powder as a leavening agent. Some may even include both.

While both products appear similar, they’re certainly not the same.

Baking soda is sodium bicarbonate, which requires an acid and a liquid to become activated and help baked goods rise.

Conversely, baking powder includes sodium bicarbonate, as well as an acid. It only needs a liquid to become activated.

Substituting one for the other is possible with careful adjustments.

Baking Soda vs. Baking Powder: What’s the Difference? (2024)

FAQs

Baking Soda vs. Baking Powder: What’s the Difference? ›

Baking soda and baking powder are not the same. Sodium bicarbonate and bicarbonate of soda are other names for baking soda. Baking powder is made of baking soda plus cream of tartar and cornstarch. Baking powder can be substituted for baking soda by tripling the amount of baking powder.

Can you replace baking soda with baking powder? ›

If you don't have baking soda, you can use baking powder, at three times what the recipe calls for. So if a recipe calls for one teaspoon of baking soda, you can use three teaspoons of baking powder. Baking powder also contains a little bit of salt, so it's also a good idea to halve the salt the recipe calls for.

Can we apply baking powder instead of baking soda? ›

You can definitely substitute baking powder for baking soda in recipes for baked goods. To do so use 3 times as much baking powder as the amount of baking soda your recipe calls for. So for each 1 teaspoon of baking soda you want to replace, use 3 teaspoons (1 tablespoon) of baking powder.

What happens when you use baking soda vs baking powder? ›

The leavening power of baking soda is about three to four times stronger than baking powder. This means that you need a lot less baking soda in your recipes. If a recipe calls for baking soda and you only have baking powder, you need to use the right baking soda to baking powder conversion.

Do you use baking soda or baking powder for cookies? ›

Baking soda is typically used for chewy cookies, while baking powder is generally used for light and airy cookies. Since baking powder is comprised of a number of ingredients (baking soda, cream of tartar, cornstarch, etc.), using it instead of pure baking soda will affect the taste of your cookies.

What happens if you bake with baking soda instead of powder? ›

However, if you're in a pinch, the substitution is one teaspoon baking soda equals three teaspoons baking powder. Baking soda is also much stronger than baking powder and, by trying to provide enough leavening, you may wind up with an unpleasant metallic, salty taste in the final baked product.

Do you add baking soda or baking powder to pancakes? ›

Adding baking powder is the easiest way to make fluffy pancakes. There's more than one way to make the bubbles that make a pancake fluffy, but the easiest way is by adding a raising agent such as baking powder.

What do I do if I accidentally use baking soda instead of baking powder? ›

If you accidentally add baking soda instead of baking powder to baked goods, they won't rise because there is not enough acid. To fix this, add about one tablespoon of white or apple cider vinegar for every half teaspoon of baking soda to the liquids before mixing with the dry ingredients.

Why is baking soda not used in cakes? ›

Use of baking soda while baking or making cake, makes the cake taste bitter due to the formation of Sodium carbonate during heating. Hence, to neutralize the formed sodium carbonate and its bitter taste, we use tartaric acid. As an acid tartaric acid neutralizes the base effect of Sodium bicarbonate.

What happens if you bake without baking soda or powder? ›

Simply, without these leaveners, many cookies would fall flat and cake layers would be dense and stodgy. But baking powder and soda are not interchangeable, and if you're out of one, the other won't act as a direct substitute (though it can be part of the solution—more on that below).

Does baking soda go bad? ›

Baking soda is good indefinitely past its best by date, although it can lose potency over time. You can use a rule of thumb—two years for an unopened package and six months for an opened package. While old baking soda may not produce as much leavening action, it is still safe to eat.

Does baking powder go bad? ›

Unopened baking powder can be stored for up to 18 months and still be fresh and effective. After that, you'll likely notice a loss of potency when using it in baking recipes. Opened baking powder should be used within 6 months.

Are cornstarch and baking powder the same? ›

Cornstarch is not baking powder, and you shouldn't use cornstarch instead of baking powder or vice versa because they react differently and serve distinct roles.

Can I replace baking soda with baking powder? ›

Baking powder is another leavening agent that can replace baking soda, but its effect isn't as strong. Use about three times the amount of baking powder as you would baking soda.

What is baking powder used for? ›

Baking powder is used to increase the volume and lighten the texture of baked goods. It works by releasing carbon dioxide gas into a batter or dough through an acid–base reaction, causing bubbles in the wet mixture to expand and thus leavening the mixture.

What makes cookies puffy baking soda or baking powder? ›

Baking powder is a two-in-one chemical leavening that combines a powdered alkali (sodium bicarbonate) with a powdered acid (originally, tartaric acid). When moistened in a dough or batter, a chemical reaction takes place that produces carbon dioxide gas, inflating cookies, cakes, and pancakes.

Can you skip baking soda in cookies? ›

You technically can leave out baking soda in certain recipes (like chocolate chip cookies or pancakes) in a pinch, but you need to understand that your finished product will not be as light and fluffy as the recipe intended. Unless you have no other option, you really should use a leavening substitute.

Can I use baking powder instead of baking soda in banana bread? ›

Baking powder is the best substitute for baking soda in banana bread, but if you want to make banana bread without baking soda or powder, you may also find success swapping in self rising flour.

How much baking soda is equal to 1 tablespoon of baking powder? ›

Baking Powder to Baking Soda Conversion

Use 1 teaspoon of baking soda for every tablespoon of baking powder. To make sure it functions correctly, also add 2 teaspoons of vinegar, lemon juice, cream of tartar, or another acidic ingredient to your batter or dough.

What is a good substitute for baking soda for cleaning? ›

Baking Soda Alternatives for Cleaning
  • Borax — Borax, or sodium borate, is a naturally-occurring alkaline element found in some salt deposits. It has various uses around the house such as cleaning the bathroom or kitchen. ...
  • White vinegar — The acidity in vinegar makes it a strong alternative cleaning product.
Oct 20, 2022

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