Cornstarch is used in various recepies for many purposes but sometime it is not available in kitchen. So, what can I substitute for cornstarch?

2 Answers 2


Genrally speaking, you can substitute any pure starch for corn starch. This would include:

  • Potato starch
  • Arrowroot powder
  • Tapioca starch

Usually, you can use the same amounts you would have used for corn starch. You cannot substitute flour in the same amounts without changing the flavor and/or texture of the dish.


You can use regular flour.

There are other thickener out there, but maybe not as readily available as flour or cornstarch.

See: https://www.swansonvitamins.com/blog/jenna/thickening-ingredients

  • Well, kinda @Max, it depends on the application. Cornstarch as a thickener sure, but what about others?
    – GdD
    Oct 29, 2018 at 13:51
  • You can also use potato starch, which is found in large quantities in stores in the spring time around the Jewish holiday of Passover, when leaven cannot be consumed.
    – suse
    Oct 30, 2018 at 0:55

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