The Ultimate Guide to Cream of Tartar Substitutes (Step by Step)

If you’ve ever been halfway through baking cookies or whipping egg whites only to realize you’re out of cream of tartar, you’re not alone. The good news? You don’t need to stop baking. With the right cream of tartar substitute, you can save your recipe and still get delicious results.

This guide explains what cream of tartar is, why it’s used in recipes, and the best substitutes you can use—complete with step-by-step instructions for each replacement.

What Is Cream of Tartar?

Cream of tartar, also called tartaric acid, is a white powder made during the winemaking process. When grape juice ferments, tartaric crystals form inside barrels. These crystals are ground into the fine powder we use in cooking and baking.

Why Do Recipes Use Cream of Tartar?

• In cookies and cakes: Helps dough rise when combined with baking soda.

• In whipped egg whites: Stabilizes air bubbles, making meringues fluffy.

• In syrups and frostings: Prevents sugar from crystallizing.

So, what can you use instead of cream of tartar if you don’t have it? Let’s go step by step.

Step-by-Step: The Best Cream of Tartar Substitutes

1. Lemon Juice (Most Common Substitute)

Lemon juice is the easiest and most effective cream of tartar alternative. Its natural acidity mimics cream of tartar perfectly.

How to Substitute Step by Step:

1. Measure your recipe’s cream of tartar amount.

2. For every ½ teaspoon cream of tartar, use 1 teaspoon fresh lemon juice.

3. Mix it directly into the recipe at the same stage you would add cream of tartar.

Best for: Cookies, meringues, syrups, and frostings.

2. White Vinegar

If you don’t have lemons, plain white vinegar works just as well.

How to Substitute Step by Step:

1. Check how much cream of tartar your recipe requires.

2. For every ½ teaspoon cream of tartar, use 1 teaspoon white vinegar.

3. Stir it into wet ingredients or egg whites as directed in the recipe.

Best for: Egg whites (whipped peaks), syrups, frostings.

3. Baking Powder (Quick Fix in Baking)

Since baking powder is a mix of baking soda and cream of tartar, it’s an instant replacement in baking recipes.

How to Substitute Step by Step:

1. For every 1 teaspoon cream of tartar, replace with 1 ½ teaspoons baking powder.

2. Reduce or omit extra baking soda in the recipe to avoid imbalance.

3. Mix into dry ingredients as usual.

Best for: Cookies, cakes, pancakes, muffins.

4. Buttermilk

Buttermilk’s acidity makes it a great substitute for cream of tartar, but you need to adjust the recipe’s liquids.

How to Substitute Step by Step:

1. For every ¼ teaspoon cream of tartar, replace ½ cup liquid in the recipe with ½ cup buttermilk.

2. Adjust other liquids so the batter doesn’t become too wet.

3. Mix buttermilk into wet ingredients.

Best for: Cakes, muffins, pancakes, quick breads.

5. Yogurt (Thinned with Water)

Plain unsweetened yogurt works like buttermilk when thinned slightly with water.

How to Substitute Step by Step:

1. For every ¼ teaspoon cream of tartar, replace with ½ cup yogurt mixed with 1–2 tablespoons water.

2. Reduce liquid in the recipe to balance moisture.

3. Stir into wet ingredients.

Best for: Muffins, breads, pancakes.

Quick Comparison Table: Cream of Tartar Substitutes

Step-by-Step Examples in Recipes

Example 1: Cream of Tartar Substitute for Cookies

• Original recipe: 1 tsp baking soda + 2 tsp cream of tartar.

• Substitute: 1 tsp baking soda + 3 tsp baking powder.

• Steps: Mix dry ingredients, cream butter and sugar, add eggs, combine, bake as usual.

Example 2: Whipping Egg Whites Without Cream of Tartar

• Original: 1 egg white + ⅛ tsp cream of tartar.

• Substitute: 1 egg white + ¼ tsp lemon juice.

• Steps:

  1. Crack egg and separate white.

  2. Add lemon juice.

  3. Beat until stiff peaks form.

Example 3: Syrup Without Cream of Tartar

• Original: 1 cup sugar + ⅛ tsp cream of tartar + ¼ cup water.

• Substitute: 1 cup sugar + 2–3 drops lemon juice.

• Steps:

  1. Add sugar and water to pan.

  2. Stir in lemon juice.

  3. Heat until syrup thickens.

FAQs About Cream of Tartar Substitutes

Q: What is a substitute for cream of tartar in cookies?
A: Use lemon juice or baking powder. Both will give cookies their rise and soft texture.

Q: What can I use in place of cream of tartar for egg whites?
A: Use lemon juice or vinegar. They stabilize whipped egg whites perfectly.

Q: What is the best cream of tartar substitute in baking?
A: Baking powder is the easiest option since it already contains cream of tartar.

Q: Can I skip cream of tartar completely?
A: Sometimes yes, but your recipe may turn out denser or less fluffy. Substituting is always better than skipping.

Q: What can I use instead of cream of tartar in syrup?
A: A few drops of lemon juice or vinegar will prevent sugar from crystallizing.

Final Thoughts

Running out of cream of tartar doesn’t mean you have to stop baking. From lemon juice and vinegar to baking powder, buttermilk, and yogurt, there’s always a quick and easy substitute.