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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Cream of tartar is generally healthy when used in culinary amounts, as it is fat-free, cholesterol-free, and low in calories per serving. It is a significant source of potassium, which supports nerve function and heart health. However, because it is highly concentrated, it should only be consumed in the small quantities specified in recipes.
The primary benefit is its high potassium content, an essential mineral for fluid balance and blood pressure regulation. It also serves as a sodium-free alternative to commercial baking powder when mixed with baking soda, making it ideal for low-sodium diets. Additionally, it helps stabilize egg whites, allowing for high-volume, low-fat desserts.
Yes, cream of tartar is both vegan and gluten-free. It is a natural byproduct of the winemaking process, specifically the tartaric acid that forms inside wine barrels. It contains no animal products or grain-based ingredients, making it safe for those with celiac disease or vegan lifestyles.
Yes, cream of tartar is keto-friendly. While it contains roughly 61.5g of carbohydrates per 100g, a typical recipe uses only a fraction of a teaspoon (about 1 gram), contributing negligible carbs to the final dish. It is frequently used in keto recipes like 'cloud bread' to provide structure to whipped eggs.
It is most commonly used to stabilize whipped egg whites in meringues and soufflés, preventing them from collapsing. It also acts as an anti-caking agent in sugar syrups to prevent crystallization, ensuring smooth icings and candies. When combined with baking soda, it acts as a leavening agent to help cakes and cookies rise.
Yes, you can substitute cream of tartar with an acidic liquid like lemon juice or white vinegar. Use 1 teaspoon of lemon juice or vinegar for every 1/2 teaspoon of cream of tartar called for in the recipe. Note that this may slightly alter the flavor or liquid ratio of your batter.
cream of tartar is a versatile ingredient found in cuisines around the world. With 258 calories per 100g and valuable grams of protein, it's a nutritious addition to many dishes.
Explore more ingredients in the dairy category with complete nutrition information.
View all dairy →Discover 2 recipes featuring cream of tartar with step-by-step instructions.
Browse recipes →You can make a simple homemade baking powder by mixing two parts cream of tartar with one part baking soda. For example, combine 1/2 teaspoon of cream of tartar and 1/4 teaspoon of baking soda to replace 1 teaspoon of commercial baking powder. This is a great trick if you run out of baking powder mid-recipe.
Cream of tartar has an indefinite shelf life if stored properly in a dry environment. It does not spoil, but moisture can cause it to clump or lose its leavening potency over several years. You can test its effectiveness by mixing a pinch with baking soda and warm water; if it fizzes, it is still active.
Store cream of tartar in a cool, dry place, such as a pantry or spice cabinet, in an airtight container. It is highly sensitive to humidity, which can cause it to harden. Ensure the lid is tightly sealed after each use to maintain its fine, powdery texture.
Cream of tartar has a very mild, acidic, and slightly tart flavor, similar to a very diluted lemon. However, because it is used in such small amounts in baking, its flavor is rarely noticeable in the finished product. Its role is primarily functional, affecting the texture and rise of the food rather than the taste.