If baking is controlled from top to bottom, the upper hot plate is 60-70 degrees, and the lower plate (20-30 degrees if using iron plate, stainless steel and other heat-conducting utensils, 40-50 degrees if using ceramic utensils).
The performance of each furnace is mostly different. Check the items in the furnace every 10 minute. If you feel the temperature is high, reduce it by about 5- 10 degrees each time. Although soybean skin can be cooked quickly at high temperature, there is a lot of water in it. Although it can be achieved in the sense, it can't achieve the finished product effect in essence, so it should be baked slowly with small fire.