what is powdered mustard
Powdered mustard is simply finely ground mustard seed. Originally mustard was called Sinapis. Some claim that during Roman times the word Sinapis started to be replaced by words such as Mustum, Mustarum, and Mustardum as new wine, or Must was mixed with mustard seeds to make a paste.hite and brown seeds are blended to make English mustard. Brown mustard seeds are similar in size to the black variety and vary in color from light to dark brown and are more pungent than the white, less than the black.