Brown Mustard Seeds – These are mainly used for the tempering of dahls / dalls and vegetables and they have a pungent taste. It is the main ingredient in its whole or crushed form for Indian pickles in oil. Brown mustard seeds can be used to make mustard. They can be used on their own, or mixed with yellow mustard seeds. Grind the mustard seeds, adding vinegar and a little water to make an instant mustard – very easy! Brown mustard seeds are also known as Indian mustard seeds.