Tips for Using Cornstarch to Thicken
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Culinary Uses

When using Cornstarch to thicken be careful not to over stir or overheat your mixture because rough stirring can cause the starch cells to break which will thin out your mixture. For the same reason of rupturing the cell walls it is not advisable to freeze Cornstarch-thickened mixtures.

In addition to thickening, Cornstarch helps to prevent eggs from curdling, which helps in custard making, flan, cheesecake, quiche etc. Cornstarch also helps transmit heat more evenly throughout cooking dishes. It can be used in lieu of flour to coat meat for cooking.