We usually use hot water to cook food, relying on the temperature of the water to cook the food. Since water is used, the highest temperature is 100 degrees, because the boiling point of water is 100 degrees.
The purpose of using a pressure cooker is to form a closed environment, thereby increasing the internal air pressure, and ultimately increasing the boiling point of water. Therefore, the water temperature of the pressure cooker can be higher than that of the ordinary pot. But it is also impossible to be higher than the boiling point of the water in the pressure cooker.
But the oven is different. The oven is directly roasted with electric stove wire, and the temperature limit is the melting point of the electric stove wire. The melting point of the electric stove wire is generally several thousand degrees, so the temperature in the oven can reach very high, much higher than the temperature in the pressure cooker.
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