
Thickening a sauce or soup without reaching for cornstarch or flour is one of those small kitchen wins that makes a big difference when you're managing fructose sensitivity. Arrowroot starch is a naturally derived thickener that plays nicely with a wide range of dishes, and this two-ingredient slurry comes together in seconds with nothing more than cold water and a fork. The technique is straightforward β whisk, stir into a simmering liquid, and watch it turn glossy and silky in under a minute. One thing worth knowing: arrowroot is a little more delicate than cornstarch, so pulling the pan off the heat promptly is the key to keeping that beautiful, light coating consistency. It works beautifully in savory broths, pan sauces, and even fruit-free soups where you want a polished finish without any heaviness. Keep the ratio handy and you'll never be stuck with a watery sauce again.
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Combine the arrowroot starch and cold water in a small bowl and whisk or stir with a fork until completely smooth with no lumps remaining.
Bring the liquid you want to thicken (sauce, soup, or broth) to a gentle simmer in a saucepan over medium heat.
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