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Best Baking Powder Substitute in French Toast

The best substitute for Baking Powder in French Toast is Baking Soda and Cream of Tartar because it replicates the leavening action by producing carbon dioxide gas, helping to create a light and slightly airy texture without altering the flavor significantly.

Last Reviewed March 25, 2026
Reviewer IngredientSwap Culinary Team
Methodology Data-driven analysis & culinary science review

Top 5 Baking Powder Substitutes for French Toast

Substitute Ratio
Baking Soda and Cream of Tartar Best 1/4 teaspoon baking soda + 1/2 teaspoon cream of tartar per 1 teaspoon baking powder Produces similar rise and lightness; maintain balance to avoid metallic taste from baking soda.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free
Buttermilk and Baking Soda 1/2 cup buttermilk + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly) Adds slight tang and tenderness; adjust liquid content to maintain batter consistency.
Gluten-FreeNut-Free
Yogurt and Baking Soda 1/4 cup plain yogurt + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly) Provides mild acidity and moisture; may add slight tang and creaminess.
Gluten-FreeNut-Free
Whipped Egg Whites Separate 1 egg white, whip to soft peaks, fold into batter per 1 teaspoon baking powder Adds lightness and airiness without chemical leaveners; may slightly change texture.
Gluten-FreeDairy-FreeNut-Free
Carbonated Water and Baking Soda 1/4 cup carbonated water + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly) Adds mild leavening and moisture; risk of sogginess if overused.
VeganGluten-FreeDairy-FreeFat-FreeNut-Free

Deeper Dive: Using Baking Powder Substitutes in French Toast

What Actually Happens in Practice?

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Common Mistakes to Avoid

How Results Can Vary

Edge Cases & Exceptions

Detailed Guide: Each Baking Powder Substitute in French Toast

Baking Soda and Cream of Tartar

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1/4 teaspoon baking soda + 1/2 teaspoon cream of tartar per 1 teaspoon baking powder
Quick tip: Produces similar rise and lightness; maintain balance to avoid metallic taste from baking soda.

This combination mimics the chemical leavening reaction of baking powder by combining an acid (cream of tartar) with a base (baking soda), which produces carbon dioxide gas when moistened and heated. This gas creates bubbles that lighten the custard coating on the bread.

To ensure success, mix the two powders thoroughly before adding to the batter to avoid uneven leavening. Avoid increasing the ratio beyond recommended amounts to prevent a soapy or metallic aftertaste.

Compared to commercial baking powder, this substitute delivers a very similar texture and rise, preserving the classic lightness and slight fluffiness expected in French Toast without impacting flavor.

Buttermilk and Baking Soda

Gluten-FreeNut-Free
1/2 cup buttermilk + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)
Quick tip: Adds slight tang and tenderness; adjust liquid content to maintain batter consistency.

Buttermilk is acidic and reacts with baking soda to produce carbon dioxide, providing leavening similar to baking powder. The acidity also tenderizes the egg and bread proteins, enhancing flavor and texture.

When using this substitute, reduce other liquids in the recipe to compensate for the added buttermilk to avoid a runny batter. Stir gently to preserve the bubbles formed by the reaction.

This substitute can add a subtle tangy flavor and slightly moister texture compared to baking powder, which may enhance the richness of French Toast but could alter the traditional flavor profile.

Yogurt and Baking Soda

Gluten-FreeNut-Free
1/4 cup plain yogurt + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)
Quick tip: Provides mild acidity and moisture; may add slight tang and creaminess.

Plain yogurt's acidity reacts with baking soda to produce carbon dioxide gas, helping the batter rise and lighten. The moisture content also helps keep the custard coating tender.

Adjust the liquid ingredients by reducing them to maintain batter thickness. Use plain, unsweetened yogurt to avoid altering the flavor balance.

Compared to baking powder, this substitute can yield a slightly denser but creamier texture with a mild tang, which may complement or subtly change the traditional French Toast flavor.

Whipped Egg Whites

Gluten-FreeDairy-FreeNut-Free
Separate 1 egg white, whip to soft peaks, fold into batter per 1 teaspoon baking powder
Quick tip: Adds lightness and airiness without chemical leaveners; may slightly change texture.

Whipping egg whites incorporates air, which acts as a physical leavening agent. Folding them into the batter introduces bubbles that expand during cooking, creating a lighter texture.

Carefully fold the whipped whites into the batter to preserve the airiness. This method requires gentle handling and is best for small batches.

While it does not chemically leaven like baking powder, it can improve the texture by adding lift and lightness, though the rise will be less pronounced and the texture slightly different.

Carbonated Water and Baking Soda

VeganGluten-FreeDairy-FreeFat-FreeNut-Free
1/4 cup carbonated water + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)
Quick tip: Adds mild leavening and moisture; risk of sogginess if overused.

Carbonated water provides dissolved CO2 which can help with leavening, while baking soda reacts with any acids present to produce additional gas. This combination can lighten the batter slightly.

Reduce other liquids to maintain batter consistency and add the carbonated water last to preserve carbonation. Be cautious not to overmix to retain bubbles.

This substitute may produce a less consistent rise and can introduce extra moisture, risking a soggy texture if not balanced properly. The flavor impact is minimal but the texture may be less ideal than with baking powder.

Vegan Baking Powder Substitutes for French Toast

Full Vegan guide →
Baking Soda and Cream of Tartar
Ratio: 1/4 teaspoon baking soda + 1/2 teaspoon cream of tartar per 1 teaspoon baking powder

Produces similar rise and lightness; maintain balance to avoid metallic taste from baking soda.

Carbonated Water and Baking Soda
Ratio: 1/4 cup carbonated water + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)

Adds mild leavening and moisture; risk of sogginess if overused.

Gluten-Free Baking Powder Substitutes for French Toast

Full Gluten-Free guide →
Baking Soda and Cream of Tartar
Ratio: 1/4 teaspoon baking soda + 1/2 teaspoon cream of tartar per 1 teaspoon baking powder

Produces similar rise and lightness; maintain balance to avoid metallic taste from baking soda.

Buttermilk and Baking Soda
Ratio: 1/2 cup buttermilk + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)

Adds slight tang and tenderness; adjust liquid content to maintain batter consistency.

Yogurt and Baking Soda
Ratio: 1/4 cup plain yogurt + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)

Provides mild acidity and moisture; may add slight tang and creaminess.

Whipped Egg Whites
Ratio: Separate 1 egg white, whip to soft peaks, fold into batter per 1 teaspoon baking powder

Adds lightness and airiness without chemical leaveners; may slightly change texture.

Carbonated Water and Baking Soda
Ratio: 1/4 cup carbonated water + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)

Adds mild leavening and moisture; risk of sogginess if overused.

Dairy-Free Baking Powder Substitutes for French Toast

Full Dairy-Free guide →
Baking Soda and Cream of Tartar
Ratio: 1/4 teaspoon baking soda + 1/2 teaspoon cream of tartar per 1 teaspoon baking powder

Produces similar rise and lightness; maintain balance to avoid metallic taste from baking soda.

Whipped Egg Whites
Ratio: Separate 1 egg white, whip to soft peaks, fold into batter per 1 teaspoon baking powder

Adds lightness and airiness without chemical leaveners; may slightly change texture.

Carbonated Water and Baking Soda
Ratio: 1/4 cup carbonated water + 1/4 teaspoon baking soda per 1 teaspoon baking powder (reduce other liquids accordingly)

Adds mild leavening and moisture; risk of sogginess if overused.

What NOT to Use as a Baking Powder Substitute in French Toast

✗ Yeast

Yeast requires fermentation time and moisture to activate, which is incompatible with the quick cooking process of French Toast. It also imparts a bread-like flavor and texture that can overwhelm the delicate custard coating.

✗ Self-Rising Flour

Self-rising flour already contains leavening agents and salt, which can throw off the balance of the French Toast batter, leading to uneven texture and potentially a salty or chemically taste.

✗ Club Soda

Although club soda contains carbonation, it does not provide enough leavening power in the thick custard batter of French Toast and can introduce excess liquid, resulting in soggy bread rather than a light texture.

Sources & Methodology

Cross-referenced against USDA FoodData Central nutritional data and peer-reviewed culinary science publications. Source URLs verified as of the sources_verified_date.

Need to substitute other ingredients in French Toast?

All substitutes for French Toast →

Baking Powder Substitutes in Other Recipes

View all Baking Powder substitutes →

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