Join the pressure cooker revolution tower pressure cookers cook food in around a third of the time preserve 95 percent of the vitamins and nutrients and use almost 90 percent less fuel use your tower pressure cooker to brown boil steam braise stew and roast it39s so versatile and perfect for vegetables meat fruits fish and grains a large 6 litre capacity means you can fit more of the stuff you love in and the easy clean cooking pot means there39s less time spent washing up af