(Check Out the Action Below.) 1  Select Your team to add this image. 2  Select Your team to add this image. 3  Select Your team to add this image.  Select Your team to add this 1  image. Select Your team to add this image.  Select Your team to add this 1  image. Select Your team to add this 2  image. Select Your team to add this  image.
Cornstarch is a fine, powdery starch that is made out of corn.The cornstarch is actually made from the endosperm of the corn, which makes up most of the kernels that we eat when enjoying popcorn or corn on the cob.ornstarch, also sometimes called cornflour, is produced by grinding, washing and drying the endosperm of the corn until it reaches that fine, powdery state. Cornstarch is gluten free.
Rating Newest Oldest. Best Answer: Although flour is the traditional thickening agent in most cooking, cornstarch, also known as cornflour, is a fine, powdery flour ground from the endosperm, or white heart, of the corn kernel. People often wonder what the difference is between cornstarch and flour. Both are starches, but cornstarch is pure starch, while flour contains gluten. The gluten reduces the thickening power of flour, so lacking gluten, cornstarch has twice the thickening power of flour.