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Can You Use Cream of Tartar to Make Cookie Dough Rise?

by Fred Decker

Cream of tartar is an oddball ingredient that dedicated bakers usually have on hand, but seldom understand completely. It's not a spice or a flavoring and, although it plays a role in leavening baked goods, it's not a leavening either. For example, it can help make your cookies rise but only if it's combined with other ingredients.

About Cream of Tartar

Cream of tartar is a finely powdered form of tartaric acid, a byproduct of wine making. When grape juice is fermented for wine a number of substances precipitate out of the juice, including the tartaric acid. Those crystals are separated from the juice and purified, then ground to a fine powder for culinary use. It's valuable to cooks and bakers as one of the few acidic ingredients that's readily available in dry form.

Tartar and Soda

Most cookies rely at least in part on baking powder or baking soda to provide leavening. Baking soda is an alkaline substance, properly known as sodium bicarbonate. When it encounters both moisture and an acidic ingredient, such as brown sugar or molasses, it reacts by producing carbon dioxide and raising the cookies. If there isn't enough acid in the recipe, it won't rise properly and the soda can leave a soapy, chemical flavor in the cookies. Baking powder is a pre-measured combination of baking soda and cream of tartar that helps avoid this risk and provides a reliable rise.

When to Use Tartar

Typically you'd add cream of tartar to your cookie dough only if there is usually a notable taste of baking soda in the finished cookies. It takes roughly three times as much cream of tartar to balance out any given amount of soda, but other ingredients in your recipe usually contain some of the needed acidity. Often adding tartar in an amount equal to your baking soda fixes the recipe. If there's still a discernible taste of soda, increase the ratio to 2 parts of tartar for each quantity of soda.

Other Uses for Tartar

Although cream of tartar is important as a leavening ingredient, it has other uses as well. When you're cooking beets, red cabbage or other vegetables containing those deep red and purple hues, a small amount of acidity added to the water will help preserve their color. Unlike vinegar and lemon juice, tartar won't affect the flavor of the vegetables. If you need soured milk in a recipe, you can use tartar in place of lemon juice as a curdling agent. A pinch of tartar helps egg whites whip up light and fluffy, and cut fruits or vegetables dipped in a solution of water and tartar won't brown as quickly.

References

  • On Food and Cooking: The Science and Lore of the Kitchen; Harold McGee
  • The New Food Lover's Companion; Sharon Tyler Herbst, Ron Herbst

About the Author

Fred Decker is a trained chef and certified food-safety trainer. Decker wrote for the Saint John, New Brunswick Telegraph-Journal, and has been published in Canada's Hospitality and Foodservice magazine. He's held positions selling computers, insurance and mutual funds, and was educated at Memorial University of Newfoundland and the Northern Alberta Institute of Technology.

Photo Credits

  • Digital Vision./Digital Vision/Getty Images