-
In a small bowl combine butter, blue cheese, parsley, and garlic. Set aside in refrigerator until ready to serve.
-
Preheat the smoker to 225°-250°F.
-
Place the brisket on the grate with the fat side up. Cover and let sit in the smoke for 4 hours.
-
At this point the brisket has had enough smoke so generously wrap it in aluminum foil.
-
Place back on the grate, insert a probe and wait for the internal temperature to reach 185.
-
Remove from the smoker and let rest for 30 minutes.
-
Open the foil, transfer to a cutting board and slice the brisket against the grain.
-
Toast the bun and generously butter the inside portion of both sides of the sandwich buns with the blue cheese butter.
-
Top bottom bun with a handful of arugula, 3-5 slices of brisket, and a heaping spoonful of pickled onions.
-
Top with bun and enjoy.