
Thickening a sauce without relying on heavy cream or butter-laden roux is one of those small kitchen wins that makes plant-forward, wholesome cooking so much easier. Arrowroot starch is a naturally derived thickener that keeps things light and clean, making it a perfect fit for the kinds of broths, vegetable sauces, and lean protein dishes that anchor this style of eating. The technique is simple: whisk the starch with cold water first to create a smooth slurry, then stir it into your simmering liquid for just 30 to 60 seconds until it turns glossy and silky. That brief cook time is the key β pull it off the heat promptly and you'll get a beautiful, light coating consistency every time. It works beautifully in everything from a lemony chicken pan sauce to a garlicky tomato broth or a simple vegetable stew. Keep this two-ingredient trick in your back pocket and you'll never reach for a cornstarch-heavy shortcut or a cream-based workaround 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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