Also known as sarson ka tel, mustard seed is an ingredient that is found in most Indian kitchens. The grinding of the seeds into a paste that is then transferred into an oil via distillation is the process that the oil goes through. It is a staple as an oil that is heart healthy and nourishing to the body in many different ways. However, this isn't the only way that this oil can be used. It has a whole host of uses as a hearty and fatty vegetable oil that comes from mustard seeds.