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Step 1
Choose your liquid. Cornstarch can be mixed with water, wine or stock. If you use a liquid with citrus or apple juice, the thickening power will be cut in half so use double the cornstarch.
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Step 2
Pour cornstarch in a bowl. As rule, use 1 tablespoon of cornstarch to thicken every 2 cups of liquid to a medium consistency. After stirring the slurry into a hot liquid, bring it to a boil and simmer until the mixture thickens.
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Step 3
Add the liquid and mix together with a fork or small whisk. Make sure the liquid is cold. This ensures the mixture won't clump when added to cooking food.
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Step 4
Incorporate the slurry into whatever you're thickening. Remember, the slurry must be heated to 203°F (95°C) before it will thicken.
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Step 5
Avoid overcooking the slurry, or the sauce to thin out. To avoid this, add it near the end of your cooking time.









