A lot of people are doing interesting work with pressurecooking nowadays.
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None of your grandparents' pressurecooking equipment had this.
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Cooking methods range from using sous-vide, or pressurecooking, together with home-curing, smoking or wood-fire barbecuing.
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Julie makes chicken stock in the pressure cooker; it is done after 35 minutes of pressurecooking.
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The big difference is that until now, electric models struggled to achieve 15 psi when pressurecooking, the way old-school stovetop pressure cookers could.