
Thickening a sauce or soup without cornstarch or any bean-based starch is easier than most people think, and arrowroot is the secret weapon that makes it happen. Just two pantry-friendly ingredients β arrowroot starch and cold water β come together in seconds to create a silky slurry that transforms any simmering liquid into something glossy and beautifully coated. The technique is straightforward: whisk until smooth, stir it in, and watch the magic happen in under a minute. One thing to keep in mind is that arrowroot is sensitive to high heat, so pulling the pan off the burner promptly is the key to keeping that perfect texture. The result is a light, glossy consistency that clings to proteins and vegetables without any heaviness or starchy aftertaste. Whether you're finishing a pan sauce, tightening up a broth, or rescuing a soup that turned out too thin, this slurry has you covered cleanly and simply.
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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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