Alicia Dennis
Publisher: unknown
Pages: 92

What is a pressure cooker, and what does it do? A pressure cooker works on a simple principle: Steam pressure. A sealed pot, with a lot of steam inside, builds up high pressure, which helps food cook faster.When was the pressure cooker invented? It was invented in the 1600s by a Frenchman by Denis Papin, who wanted to translate new discoveries in physics about pressure and steam into cooking. He called his pot the "Digester" but it took quite a while before better manufacturing standards and technology could make these high pressure pots safe.How does a pressure cooker work? A pressure cooker is a sealed pot with a valve that controls the steam pressure inside. As the pot heats up, the liquid inside forms steam, which raises the pressure in the pot. This high pressure steam has two major effects:Raises the boiling point of the water in the pot. When cooking something wet, like a stew ...
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