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Cream of Tartar

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So what the heck is cream of tartar powder?Well, cream of tartar powder is a more memorable and certainly more endearing name for potassium hydrogen tartrate or tartaric acid powder.

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Okay, but really, what is it? Potassium hydrogen tartrate is a potassium acid salt left behind by grapes during the fermentation process. It’s the main acid in winemaking and during the process this acid can crystallize into “wine diamonds” and settle with other sediment at the bottom of whatever vessel is being used to ferment the wine. The crystals are purified and ground into what we call Cream of Tartar powder.

So what do you use this tartaric acid powder for? Often it’s added to baked goods to help activate baking soda to create rise. In fact, baking powder is just baking soda mixed with Cream of Tartar. A pinch can also be added to sugar before it’s cooked to prevent crystallization when making caramels or certain candies. It’s also extremely helpful when making macarons, pavlovas, floating islands or other dishes that use whipped egg whites as the powder stabilizes the air bubble matrix and keeps your meringue stiff.

Additional Info

Additional Info
Ingredients Cream of tartar.
Basic Preparation No preparation required, ready to use as is.
Recommended Applications Cream of Tartar is great when used to make soufflés, meringues, angel food, chiffon cakes, and candy. The suggested rule of thumb for these recipes is to use 1/8 tsp. per egg white.
Taste & Aroma No
Product Style Powder
Cuisine American, European
Handling / Storage To be stored in a cool, dry place.
Shelf Life 2 Years
Qualities All Natural, Gluten-Free, Kosher Parve, Non-GMO
Country of Origin Spain
Dietary Notes No



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