The OG pressure cooker has been a staple in home kitchens all over the world for hundreds of years—way before the buzzy Instant Pot came to the scene. The versions on the market today have more bells and whistles (and safety features) than the ones from the 1600s, but the cooking method is the same: using steam to cook food fast. If you’re new to pressure cookers and want to know how they actually work, what to make, and the best ones to buy, you’ve come to the right place.
How Does A Pressure Cooker Work?
As the name suggests, pressure cookers create a high-pressure environment in an enclosed space to cook food. “The increase in pressure is caused by holding the steam inside the vessel, which raises the boiling point of water, so the liquid inside doesn’t boil but gets very hot,” says Joshua Resnick, chef-instructor at the Institute of Culinary Education. “This shortens the cooking time of foods that take a long time to cook and leads to amazing flavor extraction, since no liquid evaporates from the pot.” The faster cook time also helps preserve the vitamin and mineral content of food.
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