Question

why it takes less time to cook food in a pressure cooker

Answer 1

Because under pressure, the heat builds faster and maintains temperature better, so cooking time is reduced. ... The increased pressure inside the cooker increases the boiling point of water above 100°C so more cooking is done before the water actually starts to boil. So ultimately food is cooked faster.

Answer 2

It is because as the pressure increases in a pressure cooker the temperature inside it rises and the boiling point of the water inside it rises to 123-135 degree celcius. Which minimizes the time to cook...
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