5 Substitutes for Baking Soda (2024)

Baking enthusiasts are all too familiar with baking soda—a staple ingredient for leavening baked goods. Want a soft and fluffy cake? Don’t forget the baking soda!

Baking soda, also known as sodium bicarbonate, causes a chemical reaction when combined with acidic compounds (cream of tartar, lemon juice, yogurt, buttermilk, and vinegar) responsible for the characteristic texture of baked goods. When baking soda mixes with acid, carbon dioxide is released, causing the batter to rise and expand for the rise, lift, and tender texture distinct to cakes, quick breads, and pancakes.

Baking soda may not be a pantry staple if you don't use it often. Or, less frequent use may mean your box expired. This doesn't mean your baked goods need go without a leavening agent. There are a few alternatives to help create that same soft, fluffy texture.

Why Use a Baking Soda Substitute?

You could leave baking soda out of your recipe, but the end product won’t be the same. Your cookies will be flat and pancakes won’t be fluffy. They’ll still taste good, but you'll notice textural changes.

If flat cookies and dense pancakes aren’t what you had in mind, an alternative is ideal. Without a sufficient alternative that can provide a similar action to baking soda, you'll end up with a food you may not recognize in shape, texture, and flavor.

Baking Soda Nutrition

The baking soda nutrition information below is for 1 teaspoon (4.6 grams), provided by the USDA.

Baking Soda Substitutes

Use one of these baking soda substitutes when you’re in a pinch and need a leavening agent to bring baked goods to the next level.

Baking Powder

Baking powder is the top alternative to baking soda. The biggest difference between baking soda and baking powder is that baking powder already contains an acid. So if you’re using baking powder instead of baking soda, you’ll need two to three times as much to create the same rise.

A good rule of thumb is to use 3 teaspoons of baking powder for 1 teaspoon of baking soda.

Since baking powder already contains acid, you may no longer need the acidic ingredients in your recipe. Consider reducing or replacing those ingredients to preserve the intended flavor of your baked goods.

Note using baking powder in place of baking soda may cause your recipe to taste saltier than it should. Compensate by reducing the salt in your recipe by half.

Self-Rising Flour

Self-rising flour can be used as a baking soda substitute for recipes that contain flour. One cup of self-rising flour contains 1 ½ teaspoons of baking powder. So if your recipe calls for three cups of flour, use self-rising flour to provide enough baking powder to substitute for 1.5 teaspoons of baking soda.

Self-rising flour also contains salt, so you won’t need to add any to your recipe.

To use self-rising flour as a substitute for baking soda, replace the flour in your recipe with self-rising flour and leave out the salt.

Keep in mind you may need to adjust the acidic ingredients of your recipe as well since self-rising flour contains baking powder (and an acid). For example, if your recipe calls for cream of tartar, you can leave it out. But if your recipe calls for buttermilk, try using regular milk.

Egg Whites

Whipped egg whites are baking soda substitutes to provide lift and structure. Beaten egg whites place air within the batter helping the baked good to rise.

To use egg whites as a baking soda substitute, whip until stiff then fold them into your batter. Eliminate some of the liquid in the recipe to compensate for the liquid the egg whites add. For example, if you have 1/4 cup of egg whites, omit 1/4 cup of milk.

Or if your recipe calls for eggs, separate the whites from the yolk, stir in the yolks, whip the egg whites, and fold them into the batter. Continue with the recipe from there.

Baker's Ammonia

Baker's Ammonia, also known as Ammonium Carbonate, was the primary leavening agent used in baking before the invention of baking soda. In fact, you may still come across recipes with baker's ammonia in the ingredients list today.

If you can look past its potent smell, baker's ammonia gives a crisp texture to cookies and crackers. It can be used interchangeably (in a 1:1 ratio) with baking soda and baking powder making it an excellent substitute when in a pinch.

If you use baker's ammonia, the smell dissipates with cooking and does not affect the end product.

This baking soda substitute may not work well for all recipes, so a little trial and error is necessary.

Potassium Bicarbonate and Salt

Potassium bicarbonate is often used in antacids and as a medicine for hyperkalemia. It's also an excellent substitute for baking soda in a 1:1 ratio, however, it lacks the salt found in sodium bicarbonate (baking soda). While it will provide the same leavening function as baking soda, you may need to add salt to your recipe to account for any potential change in flavor.

Since potassium bicarbonate does not contain sodium, it's the perfect leavening choice for someone trying to watch their salt intake.

Figuring out how much salt you'll need to add to your recipe may not be easy. Start with 1/4-1/2 teaspoon salt for every teaspoon of potassium bicarbonate used in the recipe.

A Word from Verywell

Baking soda is an important ingredient in baked goods and bread. Leaving it out will change the flavor and texture of the food in an unpleasant way. While there are substitutes, if your recipe calls for baking soda, it's important to use it whenever possible.

If you find yourself in need of baking soda quickly, baking powder is your easiest and most readily available option. But if you're out of baking powder, another alternative may suffice.

It may take a little trial and error to replace baking soda in your recipe. So if you don't have enough ingredients to potentially make a couple of batches, it may be better to wait until you can get what you need before making your recipe. Otherwise, a little experimentation will only help you become a better home baker.