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Stir-Fry Substitute

My daughter loves Chinese food but is allergic to corn. Every stir-fry recipe I see calls for cornstarch as a thickener. Is it okay to substitute arrowroot for the cornstarch, and if so, in what proportions? —L.C., Omaha, Nebraska

Planning meals around family allergies can be a challenge! But you're in luck—arrowroot is an ideal substitute for cornstarch in stir-fries. Look for it in the same aisle where the cornstarch is located in your grocery store. Arrowroot and cornstarch have similar thickening capabilities. Generally, add 2-3 teaspoons to a cup of liquid for a medium-thick sauce. Arrowroot gives a little higher gloss to sauces than cornstarch, which is more desirable than the cloudy look that comes from a sauce thickened with flour. Like cornstarch, arrowroot is flavorless, so it should be acceptable to the entire family. Arrowroot is not recommended as a replacement for cornstarch in dairy-based sauces because it becomes slimy when mixed with milk. If you plan to use arrowroot in place of cornstarch in other recipes, keep a few additional things in mind. Arrowroot thickens better than cornstarch in an acidic liquid, such as a citrus sauce for a dessert. So be sure to start with a little less arrowroot than the amount of cornstarch called for in a recipe. Arrowroot can also be used to thicken gravy, but the gravy will not hold well, nor will it reheat well. So you should prepare arrowroot gravy no more than 10 minutes prior to serving. Or use flour as the thickening agent. To replace cornstarch with flour, use twice as much all-purpose flour. Mix the flour with some of the liquid in the recipe to make a slurry before heating.

Stir-Fry Recipe»


 
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