2. Preheating the oven is to heat the oven to the required temperature before baking food. After heating for a period of time, put in baked goods to make the baked goods taste more delicious.

Preheating the oven to the right temperature will make the food taste better. If the preheating temperature is unreasonable, it will affect the production effect.

4. The general baking temperature should be between 100 and 200 degrees. If the oven is not preheated, put the food directly into the oven, which is equivalent to heating from room temperature to set temperature. Will affect the taste of the product.

5. After the oven is preheated, you can directly open the oven door to put in food, and then set the required temperature and time according to the kind of food to be baked. Please be careful before putting food. Avoid being burned.