Mustard powder also acts as an emulsifier in sauces. You simply add cold water to the mustard powder and mix up as you need it. Mix to a thick paste. Let stand between 10 and 30 minutes for the flavour to develop. Make only as much as you plan to use up in a few hours, because after that the flavour starts to weaken.
Houston's population in 2013 is estimated at 2.162 million with a density of 3,623 people per square mile (1,505/square kilometer).
Harris County is one of 10 counties in the Houston region, which is located on the upper Gulf coastal plain of Texas. Harris County's population as of July 1, 2013 was 4,336,853, the largest county in Texas by population.