Cream of Tartar Substitute: 7 Easy Replacements for Baking

Chemical name: Potassium bitartrate · Acidity (pH): 5.3 · Common substitute ratio (vinegar): 1:2 (1 tsp cream of tartar = 2 tsp vinegar) · Common substitute ratio (lemon juice): 1:2 · Made from: Winemaking byproduct (grape must)

Five key facts about cream of tartar, one pattern: its acidity is the key to every substitution.

What Can You Use Instead of Cream of Tartar?

Lemon juice substitute ratio

• Lemon juice provides acidity for meringues and cakes. Use 2 teaspoons of lemon juice for every 1 teaspoon of cream of tartar (Healthline).
• Tasting Table recommends 1 teaspoon lemon juice per 1/2 teaspoon cream of tartar (Tasting Table).
• Allrecipes confirms the same conversion: 1 teaspoon lemon juice for every 1/2 teaspoon cream of tartar (Allrecipes).

The Spice House notes that 2 teaspoons of lemon juice or vinegar create the acidic impact of 1 teaspoon of cream of tartar (The Spice House). This 2:1 ratio is the most common rule of thumb.

White vinegar substitute ratio

• White vinegar is a neutral-flavor substitute. Use the same 2:1 ratio as lemon juice (Healthline).
• Salon says distilled white vinegar can be substituted at four times the amount of cream of tartar by volume (Salon).

Baking powder as a substitute

• Healthline states a baking powder substitution ratio of 1.5 teaspoons of baking powder for 1 teaspoon of cream of tartar in recipes that also contain baking soda (Healthline).
• Tasting Table agrees: 1.5 teaspoons baking powder per 1 teaspoon cream of tartar (Tasting Table).
• Simply Recipes notes that store-bought baking powder is made from one part baking soda to two parts cream of tartar (Simply Recipes).

Buttermilk and yogurt substitution

• Healthline states that for buttermilk substitution, remove 1/2 cup of liquid from the recipe and add 1/2 cup of buttermilk to replace 1/4 teaspoon of cream of tartar (Healthline).
• Yogurt can replace cream of tartar if the recipe liquid is reduced and yogurt thinned with milk (Healthline).
• Allrecipes says buttermilk can replace cream of tartar if the recipe liquid is adjusted (Allrecipes).

The implication: Each substitute brings its own acidity and liquid balance. The right choice depends on whether you can tolerate a flavor change or need to adjust the recipe’s moisture.

What Happens If You Skip Cream of Tartar?

Effect on meringues

• Skipping cream of tartar can cause egg whites to deflate, resulting in less volume and a denser texture (Healthline).
• According to Salon, even 1/8 teaspoon of cream of tartar per egg white makes a significant difference in stability (Salon).

Effect on snickerdoodles

• Snickerdoodles lose their characteristic tang and chewiness without cream of tartar (Allrecipes).
• The acid also affects the spread and texture of the cookie.

Effect on cakes and cookies

• Cakes and cookies may not rise properly because cream of tartar activates baking soda, creating carbon dioxide for leavening (The Spice House).
• Without it, baked goods can be denser and less tender.

Effect on playdough

• Playdough becomes sticky and less pliable without cream of tartar (Simply Recipes).

The trade-off: Skipping cream of tartar saves an ingredient but risks a failed recipe. For playdough, the texture change is immediate; for baking, the structure falters.

Is Cream of Tartar Just Baking Soda?

Chemical difference between baking soda and cream of tartar

• Cream of tartar is an acid (tartaric acid). Baking soda is a base (sodium bicarbonate) (Healthline).
• They react together to produce carbon dioxide gas, which leavens baked goods.

Why baking powder activates

• Baking powder contains both an acid (cream of tartar) and a base (baking soda), so it activates with moisture alone (Simply Recipes).
• Substituting one for the other changes the chemical reaction; you cannot swap cream of tartar and baking soda directly.

The catch: Confusing the two is a common mistake. Cream of tartar is never a substitute for baking soda—it’s the partner that makes baking soda work.

What Is the Best Substitute for Cream of Tartar in Meringue and Baked Goods?

Best substitute for meringue

• Lemon juice or vinegar is best for meringue because it stabilizes egg whites without affecting flavor much (Healthline).
• Salon states that for egg whites, 1/8 teaspoon cream of tartar corresponds to 1/2 teaspoon lemon juice per egg white (Salon).

Best substitute for snickerdoodles

• Cream of tartar gives snickerdoodles their distinct texture and tang; using baking powder changes the cookie’s spread and flavor (Allrecipes).
• For a closer match, use lemon juice or vinegar at the 2:1 ratio.

Best substitute for angel food cake

• Angel food cake requires strong stabilization; lemon juice works well (Tasting Table).
• Use 1 teaspoon lemon juice per 1/2 teaspoon cream of tartar.

Best substitute for playdough

• Playdough without cream of tartar can substitute lemon juice but impacts shelf life and texture (Simply Recipes).

The pattern: For any recipe that depends on cream of tartar for structure and stability, an acid-based substitute is the most reliable. For flavor-neutral applications, white vinegar wins.

Do You Really Need Cream of Tartar? How to Decide

When you can safely skip it

• Cream of tartar is optional in some cookie recipes that don’t rely on meringue or leavening (Healthline).
• If the recipe already includes baking powder, you may not need additional acid.

When a substitute is required

• It is critical for stable meringue and royal icing (Tasting Table).
• For recipes that call for cream of tartar specifically to activate baking soda, a substitute like lemon juice or vinegar is necessary.

When you must buy it

• Playdough recipes heavily depend on it for texture and preservation (Simply Recipes).
• For candy making and sugar syrups, cream of tartar prevents crystallization better than substitutes.

Why this matters: Knowing when to substitute versus when to buy saves time and ensures your recipe turns out right. The decision matrix is simple: if acid is the only role, swap; if the recipe needs both acid and a specific flavor/texture, buy cream of tartar.

Five substitutes, one pattern: each swaps acid for acid, but with different trade-offs.

The verdict: Choose your substitute based on the recipe’s need for acid, flavor, and moisture.

How to Substitute Cream of Tartar Step by Step

1. Identify the recipe’s need. Is cream of tartar used for stabilizing egg whites, activating baking soda, or preventing crystallization? This determines the best substitute.
2. Choose your substitute. For meringues and frosting, use lemon juice or vinegar. For baked goods with baking soda, use baking powder. For cakes and pancakes, buttermilk works well.
3. Adjust the ratio. Use the 2:1 ratio for lemon juice/vinegar (2 tsp per 1 tsp cream of tartar), or 1.5 tsp baking powder per 1 tsp cream of tartar. For buttermilk, replace 1/4 cup liquid with 1/4 cup buttermilk per 1/4 tsp cream of tartar.
4. Balance liquids. If using a liquid substitute, reduce the recipe’s liquid by the same amount. For example, if adding 2 tsp lemon juice, remove 2 tsp of other liquid.
5. Test and adjust. In sensitive recipes like meringue, beat the egg whites gradually and check for stability. In cookies, bake a test batch.

Lemon juice is widely recommended as a substitute for cream of tartar, especially for stabilizing egg whites and preventing crystallization.

— Healthline (health publisher)

For egg whites, 1/8 teaspoon cream of tartar corresponds to 1/2 teaspoon lemon juice per egg white.

— Salon (culture magazine)

Baking powder can replace cream of tartar at 1.5 teaspoons baking powder per 1 teaspoon cream of tartar.

— Tasting Table (food media)

For the home baker, the choice boils down to chemistry. If you’re making meringue, reach for lemon juice or vinegar. If you’re baking cookies, baking powder is a convenient swap. But for playdough and candy making, nothing replaces the real thing. The consequence: understanding the acid role lets you substitute with confidence, but ignoring it can lead to flat cakes and sticky dough.

For a comprehensive guide on the best cream of tartar substitutes, check out best cream of tartar substitutes for detailed ratios and expert tips.

Frequently asked questions