how to thicken milk
Starch Thickeners. In sauces and soups, you would usually thicken milk by adding a starch such as flour or cornstarch. For example, in a classic bechamel sauce, the cook first prepares a roux by stirring butter and flour together in a pan.This precooks the flour, removing its starchy taste.ost ingredients in the cook's repertoire occasionally need to be thickened. For example, milk might be thickened as part of a sauce, in a custard, or as part of a dessert preparation. People with dysphagia -- difficulty swallowing -- might need to thicken milk so they can drink it without choking.