Can You Add Cornstarch Directly to Hot Liquid Without Lumps?

Learn why adding cornstarch directly to hot liquid causes lumps and how to properly make a smooth cornstarch slurry.

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No, you should not add cornstarch directly to hot liquid. Doing so will cause lumps. Instead, dissolve the cornstarch in a small amount of cold water first to create a slurry. Then, gradually add the slurry to the hot liquid while stirring continuously. This will ensure a smooth, lump-free mixture.

FAQs & Answers

  1. Why shouldn't I add cornstarch directly to hot liquid? Adding cornstarch directly to hot liquid causes it to clump and form lumps because the starch granules cook too quickly without dispersing evenly.
  2. How do I prevent lumps when using cornstarch as a thickener? To prevent lumps, dissolve cornstarch in a small amount of cold water to create a slurry, then slowly whisk it into the hot liquid while stirring continuously.
  3. What is a cornstarch slurry and how is it used? A cornstarch slurry is a mixture of cornstarch and cold water that is used to thicken hot liquids smoothly without lumps.