Mustard is a condiment made from the seeds of a mustard plant (white/yellow mustard, sinapis alba; brown mustard, brassica juncea; or black mustard, brassica nigra). the whole, ground, cracked, or bruised mustard seeds are mixed with water, vinegar, lemon juice, wine, or other liquids, salt, and often other flavourings and spices, to create a paste or sauce ranging in colour from bright yellow to dark brown. the seed itself has a strong, pungent, and somewhat bitter taste. the taste of mustard condiments ranges from sweet to spicy. mustard is commonly paired with meats, vegetables and cheeses, especially as a condiment for sandwiches, hamburgers, corn dogs, and hot dogs. it is also used...

Source: Wikipedia