The temperature of the oven you use is different from that of the cookbook publisher. Also adjusted to 180 degrees Celsius. Maybe the actual temperature of your oven is too high and it will be burnt. Every oven has a different temper! This is also the truth that "find out your oven temper" is often mentioned in baking. Any oven will have a certain temperature difference, but the temperature difference is large and small. Therefore, most "responsible" recipes will have a hint that the temperature and time should be adjusted according to the temperature of their own oven.
My oven is a little grumpy than others', especially when the fire is bigger. Later, I adjusted the baking time of 6-inch Qifeng to 130 degrees for 40 minutes, and then changed it to 150 degrees for 20 minutes. This is the right temperature for my oven. My oven is Heinz's, 40. You must run in for a period of time before you can master it skillfully. For example, your oven is hotter than an ordinary oven. When you bake at the time and temperature provided by online recipes, people should not go away. Look carefully. If the coating is too fast or there are cracks, you should turn down the temperature immediately.
Ovens of the same brand and model will also have a temperature difference. If you want to know your oven better, it is recommended to buy an oven thermometer, which is the most accurate way. Pay attention when measuring temperature, and don't go near the electric heating tube when measuring temperature, because the electric heating tube is heating the seeds continuously. The temperature measured by this method is not accurate. . .