
Thickening a sauce without butter or cream can feel like a puzzle, but this simple arrowroot slurry solves it in under a minute. Arrowroot starch is a naturally plant-derived thickener, so it fits seamlessly into cooking that avoids all dairy without any substitutions or compromises. Just two ingredients β arrowroot starch and cold water β whisk together into a silky, lump-free slurry that disappears into your sauce, soup, or broth and leaves it glossy and beautifully coated. The technique is straightforward: stir the slurry into a gently simmering liquid and watch it transform in 30 to 60 seconds. One important tip the recipe gets right is pulling the pan off the heat promptly β arrowroot is sensitive to prolonged high heat, so timing matters for the best result. Keep this ratio in your back pocket and you'll never reach for a dairy-based roux 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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