Mustard oil is made from pressing the seeds of a mustard plant to produce spicy oil. Mustard oil is popular in Eastern cooking, although some American chefs have begun experimenting with the oil, whic...

Mustard oil is made from pressing the seeds of a mustard plant to produce spicy oil. Mustard oil is popular in Eastern cooking, although some American chefs have begun experimenting with the oil, which has a heat and distinctive flavour to it..