May 12, In this activity you will explore what thickens a cheese sauce and measure how the viscosity changes when you eliminate the different. Cheese sauce begins as a classic bechamel -- milk thickened by flour that has been browned in melted butter. In order to thicken a cheese sauce, you must. Common thickening agents, such as flour and cornstarch, thicken the dip but poorly incorporate Things You'll Need. Heavy-bottom sauce pan. Egg. Cheese . No Flour Cheese Sauce - Chef Remy Cooks! Aug 23, Pour ml thickened cream into a saucepan and slowly bring to the boil. Reduce the heat and add 60g cheese and stir until melted and. Here's the best way to make a simple homemade cheese sauce. Use it for Let the mixture heat as you whisk, thickening over a few minutes. 3. Once the sauce. May 12, In this activity you will explore what thickens a cheese sauce and measure how the viscosity changes when you eliminate the different.