About Pressure Cooker (info)

=> Pressure cooker is also called Stream Digester or Denis Pepin according to the name of French Physicist Denis Pepin who invented it.
It is very useful for cooking in high altitude but also is being used in normal cooking worldwide.Concept is 'it increases the inside pressure that effects higher Boiling Temp of liquid' to cook faster.
A pressure cooker reduces cooking time up to 70%.In US it is bigger in size used for sterilization,It is also called retort there.