8 Cream of Tartar Uses You Never Thought of (and What the Heck It Actually Is) (2024)

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8 Cream of Tartar Uses You Never Thought of (and What the Heck It Actually Is) (1)

By Katherine Gillen

Published May 13, 2020

You’re giving your spice rack a much-needed clean-out and you come across a mystery ingredient: cream of tartar. Huh, looks like I’ve never touched this one, you think. But don’t toss it in the trash just yet. Cream of tartar is actually a helpful ingredient to keep on hand. Here, eight cream of tartar uses you probably didn’t know about, plus recipes to get you started.

But first, what is cream of tartar?

We’re so glad you asked. Cream of tartar, aka potassium bitartrate if you’re fancy, has nothing to do with either tartar sauce or the stuff the dentist cleans off your teeth. It’s actually a byproduct of the winemaking process. Not to get too scientific, but it’s a salt processed from a naturally occurring acid called tartaric acid, which is found in fruits such as bananas, citrus and, here, grapes. Basically, the potassium bitartrate crystallizes in wine casks during the fermentation process, and the crystals are filtered out or collected to make cream of tartar.

What does cream of tartar do?

Now you know it comes from wine, cool. But what is cream of tartar actually good for? Well, it’s a common leavening agent in baking, and you probably use it all the time without even knowing it. Cream of tartar is found in baking powder, which is just a combination of sodium bicarbonate (baking soda) and acid. Think about those volcano science projects you made in middle school: The baking soda only fizzed on contact with an acid like vinegar. It’s the same thing when you’re whipping up a batch of banana muffins. The baking powder (aka baking soda plus cream of tartar) becomes active when mixed with a liquid, resulting in a lofty baked good.

On its own, cream of tartar is an effective stabilizer for finicky recipes like meringue, soufflés or whipped cream, which all have a tendency to wilt or go flat.

Cream of tartar is also a helpful cleaning agent around the house, especially when mixed with another acid or hydrogen peroxide. But you’re not here to clean, you’re here to cook, right? Here are eight cream of tartar uses that will make your cooking and baking *that much* better.

8 cream of tartar uses:

1. Stabilizing egg whites in meringue. Even a tiny pinch of cream of tartar can mean the difference between a weepy, sad meringue and a gloriously smooth and fluffy one. Follow the ratio of ⅛ teaspoon cream of tartar per one large egg white to ensure thick meringue that holds its volume.

2. Preventing sugar crystals in candy-making. The enemy of homemade candies and caramels is large crystals of sugar, but cream of tartar can prevent that (it binds to the sugar crystals and keeps them small). Add a pinch of cream of tartar to boiling sugar for smooth caramel and crunchy, pro-level candy.

3. Adding loft to baked goods. Including cream of tartar in baking recipes that call for baking soda will help activate the leavening, because baking soda is alkaline and cream of tartar is acidic. It can even be used as a last-minute substitute for baking powder. Combine 1 teaspoon of baking soda for every 2 teaspoons of cream of tartar, then substitute for baking powder at a 1:1 ratio.

4. Adding tang to snickerdoodles. If you’ve ever made a classic snickerdoodle cookie, you probably noticed cream of tartar in the ingredient list. Its exact purpose is hotly debated, but some say it’s responsible for the cookie’s subtle tang and chewy texture. Others say its quick rise and fall action in the oven leaves that iconic crinkly texture on top (and others say it’s both). Most recipes call for a 2:1 ratio of cream of tartar to baking powder.

5. Making fluffier whipped cream. Similar to meringue, whipped cream has a tendency to fall flat—cream of tartar can prevent that. Adding a pinch of cream of tartar to heavy whipping cream will make it last longer both in the fridge and at room temperature. Plus, it will make it easier to pipe and spread, you baker you.

6. Retaining color in steamed and boiled vegetables. You know how steamed broccoli or asparagus (or any veggie, for that matter) always comes out kind of murky, when you wanted it to look verdant and fresh? Adding ½ teaspoon cream of tartar to the water before cooking will improve the color of steamed and boiled vegetables without changing their taste. You eat with your eyes first, you know.

7. Replacing buttermilk in a recipe. If you want the tanginess of buttermilk, but only have regular milk (or plant-based milk), you can add a small amount of cream of tartar in a pinch. For every cup of milk or dairy-free milk, use 1½ teaspoon cream of tartar—but add it to the recipe’s dry ingredients to avoid clumping.

8. Making homemade playdough. OK, you can’t eat this stuff, but it’s too fun to pass up. Many recipes for homemade playdough—like this one—call for up to 1 tablespoon cream of tartar, which gives the dough a smoother, more elastic texture.

Now that you know what it’s for, here are 12 recipes to put your cream of tartar to good use.

12 Recipes to Make with Cream of Tartar

Photo: Christine Han/Styling: Erin McDowell

1. Cinnamon Meringue Pie

Thanks to cream of tartar, the fluffy topping on this spicy-sweet pie is easy to spread and slice into.

Get the recipe

Photo: Matt Dutile/Styling: Erin McDowell

2. Pumpkin Angel Food Cake With Cream Cheese Glaze

The key to a tall angel food cake is in the batter, which is made of—surprise—meringue. A pinch of cream of tartar will ensure it doesn’t fall flat in the oven.

Get the recipe

Photo: Nico Schinco/Styling: Erin McDowell

3. Blood Orange Eton Mess

You can put cream of tartar in both the meringue and the whipped cream to keep this easy dessert from melting in its cups.

Get the recipe

Photo: Mark Weinberg/Styling: Erin McDowell

4. Jammy Shortbread Bars

These bars start with a simple press-in brown sugar shortbread, followed by thin layers of seedless jam and frosting, which will solidify enough to make them stackable.

Get the recipe

Photo: Liz Andrew/Styling: Erin McDowell

5. Strawberry, Cardamom And Pistachio Pavlova Bites

A pinch of cream of tartar makes these cuties light as air and much easier to pipe. (Out of strawberries? You could top them with any berry your heart desires.)

Photo: Mark Weinberg/Styling: Erin McDowell

6. Grapefruit Meringue Stacks

This is like a cross between a meringue pie and a pavlova: crispy outside, marshmallowy inside and a creamy, custardy curd.

Get the recipe

Photo: Mark Weinberg/Styling: Erin McDowell

7. Lemon Meringue Cookies

If a lemon meringue pie and a sugar cookie had a (very delicious) baby, these cookies would be it. To make the topping easier to work with, don’t forget the cream of tartar.

Get the recipe

Photo: Mark Weinberg/Styling: Erin McDowell

8. 30-minute Angel Food Cupcakes

All the appeal of angel food cake in a portable package. They’re also ready to eat in 30 minutes, no big deal.

Get the recipe

Photo: Matt Dutile/Styling: Erin McDowell

9. Creamy Pumpkin Eton Mess

If you just want to use store-bought meringue cookies, go for it. But if you make your own, they’ll taste even better.

Get the recipe

Photo: Liz Andrew/Styling: Erin McDowell

10. Lemon Pie With Blueberry Meringue

You could torch the meringue for a toasted effect, but it won’t leave you with such a pretty purple color. (The secret is freeze-dried blueberries.)

Get the recipe

Rebecca Firth/The Cookie Book

11. Eggnog Snickerdoodles

These aren’t any old snickerdoodles, they’re *festive* snickerdoodles. The familiar flavor comes from rum extract, but if that’s not your cup of tea, you could use vanilla.

Get the recipe

Photo: Liz Andrew/Styling: Erin McDowell

12. Lemon-berry Sheet Pan Trifle

We’ve modernized and simplified this classic British dessert so you don’t need a crystal-cut bowl, just your trusty baking sheet.

Get the recipe

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8 Cream of Tartar Uses You Never Thought of (and What the Heck It Actually Is) (14)

Katherine Gillen

Senior Food Editor

Katherine Gillenis PureWow’s senior food editor. She’s a writer, recipe developer and food stylist with a degree in culinary arts and professional experience in New York City...

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8 Cream of Tartar Uses You Never Thought of (and What the Heck It Actually Is) (2024)

FAQs

What is cream of tartar and its uses? ›

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 was the problem with using cream of tartar? ›

High intakes of cream of tartar may lead to hyperkalemia, or dangerously high blood potassium levels, due to its high potassium content.

What is the science behind cream of tartar? ›

Cream of tartar is the potassium acid salt of tartaric acid, otherwise known as potassium acid tartrate or potassium bitartrate. Although it has many uses in food and beverages, it primarily finds use as a component of leavening systems for bakers. Properties of cream of tartar: Chemical formula: KC4H5O.

Is cream of tartar really necessary? ›

The bottom line: For smooth, stiff beaten egg whites that keep their shape, don't skip the cream of tartar. If you don't have cream of tartar, substituting 1/4 teaspoon lemon juice or white vinegar per egg white works almost as well. To avoid meringues that weep, don't skip the cream of tartar...

What is a substitute for 1 teaspoon of cream of tartar? ›

The general rule of thumb is for every ½ teaspoon of cream of tartar in a recipe, use 1 teaspoon lemon juice or white vinegar. For example, if a recipe calls for 1 teaspoon cream of tartar, you'd use 2 teaspoons of lemon juice or white vinegar.

What is a good substitute for cream of tartar? ›

The Best Substitute for Cream of Tartar

For every 1/2 teaspoon of cream of tartar in the recipe, use 1 teaspoon lemon juice or white vinegar. As an example, if your cookie recipe calls for 1 teaspoon baking soda, add 2 teaspoons lemon juice instead of the cream of tartar.

How does cream of tartar help arthritis? ›

For arthritis pain: Cream of Tartar is rich in potassium, so adding 2 Tablespoons to a warm bath along with 3 Tablespoons of Epsom salt and soaking for 30 minutes will help to reduce inflammation and joint pain. Do this once or twice per day until pain is alleviated.

Is cream of tartar good for your kidneys? ›

Cream of tartar may reduce the chances of UT infections. But, excess potassium levels in the blood put kidneys under pressure. It is because potassium is a potent diuretic. Therefore, an increase in potassium levels leads to a rise in the diuretic action of the kidneys, which is harmful.

What damage can tartar do to your teeth? ›

If you leave tartar on your teeth, it can: Erode your enamel. Cause cavities. Make your gums swell and bleed.

How long does cream of tartar last after opening? ›

Produced as a byproduct in the winemaking process and scientifically known as potassium bitartrate or potassium acid tartrate, cream of tartar is a powdery white substance that can last for a few years in your pantry and even a few months after its best-by date — provided that you're storing it in an airtight and dry ...

Is expired cream of tartar safe? ›

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.

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 do to eggs? ›

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 does cream of tartar do in royal icing? ›

Using salt and acid (cream of tartar) balances the sugary sweetness. Silver rum adds a subtle flavor, without darkening the icing like vanilla. Creaming helps minimize the grit of powdered sugar.

Is cream of tartar just baking soda? ›

Visually, they look very similar, but while baking soda is a base with a high pH (remember the pH scale from chemistry class?), cream of tartar is an acid, which is why together they can help leaven baked goods. So no, they aren't the same and can't be used interchangeably, but can be used in tandem.

What does cream of tartar do to taste? ›

In baked goods, cream of tartar is used as a leavener, to give cakes, muffins and cookies their rise. It has a tinny, metallic taste that's most noticeable in Snickerdoodle cookies. A tiny pinch added to water also helps vegetables maintain their color when they're blanched.

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