Corned beef is cured in brine; this other deli meat is seasoned brisket that's been cured, smoked & cooked
.... to then make pastrami from it, you will be smoking the meat and in that 
case the fat... [DOC] [TLE] How Katz's Deli Makes Their Perfect Pastrami | Serious Eats [PAR] May 28, 2014 ... Like other cured meat, pastrami began as a way for poor folk (in this case Jewish 
... Katz's corned beef (which doesn't get smoked) is cured for a full four weeks, ... 
Now that the meat's been cured, rubbed, and smoked, it's time return ... the deli 
with a battered old shopping cart filled with freshly boiled brisket.