Cornstarch substitute
1 tablespoon cornstarch (to thicken) = 2 tablespoons all-purpose flour
Substitutes for 1 tablespoon cornstarch (to thicken)
Option 1
2 tablespoons all-purpose flour
Use twice as much. Simmer for a couple of minutes to cook out the raw taste. Sauce will be cloudier.
Option 2
1 tablespoon arrowroot
A 1:1 swap. Makes a clear, glossy sauce. Do not boil it for long, or it thins out.
Option 3
1 tablespoon potato starch
A 1:1 swap. Add near the end and do not boil.
Amounts are for a US recipe. Need to convert them? See cups to grams.
Questions
What can I use instead of cornstarch?
For 1 tablespoon cornstarch (to thicken), you can use 2 tablespoons all-purpose flour; or 1 tablespoon arrowroot; or 1 tablespoon potato starch.
What is the best substitute for cornstarch?
For most recipes, use 2 tablespoons all-purpose flour. Use twice as much. Simmer for a couple of minutes to cook out the raw taste. Sauce will be cloudier.