Cream of Tartar: What It Is and How to Use It (2024)

Cream of tartar makes beaten egg whites stand up tall, but it does a whole lot more than that in cookies and other baked goods.

By

Vanessa Greaves

Cream of Tartar: What It Is and How to Use It (1)

Vanessa Greaves is a Senior Editor at Allrecipes with nearly two decades of experience helping home cooks gain confidence in the kitchen. A self-taught cook who grew up reading cookbooks for fun, Vanessa lives and breathes the challenges faced by busy everyday cooks to get dinner on the table.

Updated on September 19, 2023

Cream of Tartar: What It Is and How to Use It (2)

Cream of What Now?

Cream of tartar is one of those mystery ingredients you might have seen in your grandma's pantry without knowing what it's used for. After all, its name doesn't give you a clue—not like baking powder or baking soda. Yet just a touch of it makes a big difference in your baking and cooking. Here's what it is and how to use it in recipes, and even around the house.

What Is Cream of Tartar?

First of all, it's not creamy. It's a dry, powdery, acidic byproduct of fermenting grapes into wine. Its sciency name is potassium bitartrate, aka potassium hydrogen tartrate or tartaric acid (hence the commercial name). But you can find it in the spice aisle labeled as plain ol' cream of tartar.

Cream of Tartar: What It Is and How to Use It (3)

What Is Cream of Tartar Used For?

Adding a small amount of cream of tartar when you're beating egg whites—usually 1/8 teaspoon per egg white—speeds up the creation of foam and helps stabilize the structure of those minuscule air bubbles you're whipping up. In baking, this means mile-high meringue pies, melt-in-your-mouth meringue cookies, and angel food cakes that practically float off the plate.

Cream of Tartar: What It Is and How to Use It (4)

Why Is Cream of Tartar in Snickerdoodle Cookies?

It's what separates a tangy, chewy snickerdoodle from an ordinary cinnamon-coated sugar cookie. The acid in cream of tartar gives snickerdoodles their distinctive tangy flavor, and the chew happens because cream of tartar prevents sugar in the cookie dough from crystalizing into crunchiness. Science!

Try this recipe: Mrs. Sigg's Snickerdoodles

Cream of Tartar: What It Is and How to Use It (5)

How Else Is Cream of Tartar Used in Recipes?

  • When combined with baking soda, it becomes a leavening agent (the stuff that makes baked goods puff up in the oven) by producing carbon dioxide gas. If you ever run out of baking powder, you can substitute 1/4 teaspoon baking soda plus 1/2 teaspoon cream of tartar for 1 teaspoon baking powder.
  • Add a pinch of cream of tartar to boiling vegetables to help them retain their bright, fresh color.
  • A pinch of cream of tartar also helps stabilize whipped cream to prevent it from deflating.
  • Make colorful, edible play dough!

What Can I Substitute for Cream of Tartar?

Use 2 teaspoons lemon juice or vinegar to create the acidic effect of 1 teaspoon of cream of tartar in a recipe.

See more ingredient substitutions.

What Is Cream of Tartar's Shelf-Life?

Cream of tartar keeps its freshness indefinitely, as long as you store it in a cool, dry spot. When in doubt, you can test it by looking at it and smelling it. It should look white and powdery, and it should smell mildly acidic.

How Else Is It Used Around the House?

Cream of tartar makes an effective non-toxic household cleaner all by itself or combined with other earth-friendly kitchen ingredients such as lemon juice or vinegar. Try these ideas:

  • Metal polish: Add water to make a paste to polish stainless steel and aluminum. This also removes scratches on white bowls and plates caused by knives and forks.
  • Copper polish: Add lemon juice in a 1:1 mixture. Rub on, rinse off.
  • Poreclain sink, tub, toilet scrub: Add distilled white vinegar in a 1:1 solution.
  • All-purpose scrub: Add distilled white vinegar in a 4:1 solution (i.e., 1 cup vinegar to 1/4 cup cream of tartar). This also cleans stainless steel sinks like nobody's business.

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Cream of Tartar: What It Is and How to Use It (2024)

FAQs

Cream of Tartar: What It Is and How to Use It? ›

Cream of tartar is a white powder found in the baking aisle that is commonly used to help stabilize whipped egg whites in meringues and cakes and give snickerdoodle cookies their signature flavor and texture. It's made from tartaric acid, a byproduct of the winemaking process.

What is cream of tartar mainly used for? ›

Cream of tartar stabilizes the tiny bubbles in the egg whites, by precluding the egg proteins from sticking together. It thus speeds up the egg white whipping process and contributes to a stable, billowy, glossy meringue, perfect for cookies, topping pies, and folding into cake.

What can you do with cream of tartar? ›

Cream of tartar has many uses, including:
  1. Making fluffier cakes. ...
  2. Lifting and stabilizing whipped cream and meringue. ...
  3. Preventing sugar crystallization. ...
  4. Adding a tangy flavor to cookie recipes. ...
  5. Preserving fruits and veggies.

Is cream of tartar just baking soda? ›

Even though they're similar in colour, consistency and packaging, baking soda and cream of tartar are totally different ingredients. Baking soda is alkaline and commonly used in recipes that mix moisture plus an acidic ingredient (such as lemon juice, chocolate, buttermilk or honey) together to make batter rise.

What are the disadvantages of cream of tartar? ›

Cream of tartar's most important side effect is the risk of hyperkalemia — or excessive potassium levels in your blood — due to its high potassium content ( 10 ).

When should I use cream of tartar? ›

The most common recipes that call for cream of tartar are those that call for egg whites to be whipped, like angel food cake, genoise cake, meringue, and macarons. Jampel says that is because cream of tartar works as an egg white stabilizer that increases both the volume and shelf life of the meringue.

What happens when you mix cream of tartar and water? ›

Adding a little bit of cream of tartar to water lowers the pH of the water. Also, it helps the vegetables you're steaming retain their colour. The formation of crunchy sugar crystals makes candy making hard. Adding cream of tartar helps keep the crystals small.

Can cream of tartar go bad? ›

Cream of tartar does not expire so long as you store it in a cool and dry space. When in doubt, check for a powdery, white appearance and a slightly acidic smell. Discard your cream of tartar if it has become discolored or if it has a strong smell.

What does cream of tartar taste like? ›

As grape juice sits and ferments, potassium bitartrate precipitates and forms crystals on the inside of the casks which can then be collected and processed to make cream of tartar. Cream of tartar has a slightly tangy, acidic flavor, but it's not typically used in large enough quantities to impact the flavor of dishes.

What does cream of tartar do in bread? ›

Achieving a good rise is essential for light and airy bread. Cream of tartar acts as a natural leavening agent when combined with baking soda. When the cream of tartar reacts with baking soda and moisture in the dough, carbon dioxide gas is released, causing the bread to rise.

Is cream of tartar good for you? ›

Cream of Tartar Benefits

It's known for treating arthritis, combatting heartburn and even clearing up acne-prone skin. The alkaline in cream of tartar can also prevent and treat bacterial infections, help to lower your blood pressure and, of course, it tastes great in any baked good.

What does cream of tartar do to cookies? ›

It adds tang to snickerdoodles, stabilizes egg whites for fluffy angel food cakes and light-as-air meringues, and prevents sugar from crystallizing for smooth syrups and chewy cookies. Cream of tartar is incredibly versatile and is an absolute must-have for all bakers, no matter their skillset.

What happens when you mix cream of tartar with vinegar? ›

“When you take cream of tartar and you mix that with vinegar, or even lemon juice, you get what's called tartaric acid and that actually can be used to clean porcelain, aluminum, and copper and brass as well,” says Chem Thug.

How to clean a toilet with cream of tartar? ›

Using Cream of Tartar

Spread it on the rust-stained areas of your toilet. Use a nylon bristle brush to scrub the areas. From time to time, sprinkle some cream of tartar in your toilet bowl and let it sit overnight to prevent rust buildup. One of the best cleaning tools you can have is an old toothbrush.

Does cream of tartar clean grout? ›

Clean your bathroom grout

Just create a thick paste using cream of tartar and white vinegar, and apply to your grout using an old toothbrush. Let it sit for 10 minutes, then wipe clean. Mold and mildew be gone!

Does cream of tartar expire or go bad? ›

Cream of tartar does not expire so long as you store it in a cool and dry space. When in doubt, check for a powdery, white appearance and a slightly acidic smell. Discard your cream of tartar if it has become discolored or if it has a strong smell.

What can be substituted for cream of tartar? ›

The 6 Best Things to Use If You Don't Have Cream of Tartar
  • Lemon juice.
  • White vinegar.
  • Baking powder.
  • Buttermilk.
  • Yogurt.
  • Copper bowl.
  • No substitute.

What happens if you don't use cream of tartar? ›

A frosting without crystalized sugar is a lot creamier, and any batter or meringue with stabilized egg whites yields a fluffier end result, The Spruce Eats explains. Without cream of tartar, you'll get the same baked good in the end, but the consistency may not be as flawless.

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