Pressure cookers are an important piece of cookware in the kitchen. Especially these days, when there is a lot of buzz about one-pot meals, pressure cookers are back in fashion. In an earlier time, pressure cookers were all the rage. They used to be the epitome of home cooking because of how efficiently they worked. The first few pressure cooker models that you could find in households were bulky and very complicated devices to operate. Then with time, they became more and more user-friendly. But then, microwaves happened.