2, how long can the gluten be cooked according to the thickness of the gluten size to make further decisions, the normal size of the gluten only need about 20 minutes of time to be able to cook, but the gluten is thicker need to be appropriate to extend the time of about 5 to 10 minutes. When you cook gluten, you need to boil the water in the pot first, and if you boil it with cold water, it will cause the gluten to lose its original flavor.