01 -
In a large nonreactive container, combine water, kosher salt, brown sugar, curing salt, peppercorns, coriander seeds, mustard seeds, smashed garlic, bay leaves, cinnamon stick, and crushed red pepper flakes. Stir until salts and sugars dissolve and ingredients are evenly mixed.
02 -
Fully submerge the brisket flat in the brine, weighing it down if necessary. Cover and refrigerate for 5 to 7 days, turning the brisket every 1 to 2 days for uniform curing.
03 -
Remove the brisket from the brine, discard the brine, and rinse the meat thoroughly under cold running water. Soak the brisket in fresh cold water for 1 hour, changing the water halfway through. Pat dry completely with paper towels.
04 -
Toast black peppercorns, coriander seeds, and mustard seeds in a dry skillet over medium heat for 2 to 3 minutes until fragrant; allow to cool. Coarsely grind toasted spices, then combine with smoked paprika, garlic powder, cayenne pepper, and brown sugar.
05 -
Evenly press the spice rub onto all sides of the dried brisket. Place the coated brisket uncovered in the refrigerator and let rest at least 12 hours to develop flavor.
06 -
Prepare smoker with preferred wood such as oak, cherry, or hickory. Maintain temperature at 225°F. Smoke the brisket fat-side up until the internal temperature reaches 190°F, approximately 6 to 8 hours depending on thickness.
07 -
Wrap the smoked brisket in foil or butcher paper and let rest for at least 1 hour before slicing. Alternatively, chill overnight for thinner slicing.
08 -
Slice the pastrami thinly against the grain using a sharp knife or deli slicer. Optionally warm rye bread slices, then top 4 slices with hot pastrami and spread with spicy brown mustard. Cover with remaining bread slices and serve with dill pickles.