Oven preheating: preheating means heating the oven for a while before baking food, and then putting the food in after reaching the preset temperature. This is in order to bake food, the material will not affect the quality of the finished food because of the slow temperature rise, and achieve a better taste.

Before baking any food, the oven needs to be preheated to the specified temperature to meet the baking time in the recipe. It takes about time to preheat the oven. If it is insufficient, it may not reach the specified temperature. If the oven is preheated for too long, it may also affect the service life of the oven.

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Oven is a sealed electrical appliance used to bake food or dry products, which can be divided into household appliances and industrial ovens. Home ovens can be used to process some pasta. Industrial oven is a kind of equipment used to dry products in industry, which has electricity and gas, and is also called oven and drying box.

Electric oven is an electric appliance that uses radiant heat from electric heating elements to bake food. We can make roast chicken, roast duck, bake bread and cakes with it. According to the different needs of baking food, the temperature of electric oven can generally be adjusted within the range of 50-250℃.

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Baidu encyclopedia-oven