01 - Pat the brisket dry with paper towels and rub olive oil evenly over its surface.
02 - Combine all dry rub ingredients in a small bowl and coat the brisket thoroughly, pressing the mixture gently onto the meat.
03 - Heat a large skillet over medium-high heat and sear the brisket on all sides until browned, approximately 4 minutes per side.
04 - Place the seared brisket into the slow cooker.
05 - In a medium bowl, whisk together all BBQ sauce ingredients. Pour the sauce evenly over the brisket, ensuring complete coverage.
06 - Cover and cook on LOW for 8–10 hours or on HIGH for 4–5 hours until the brisket is tender and easily pierced with a fork.
07 - Remove the brisket and let it rest on a cutting board for 10 minutes before slicing or shredding as preferred.
08 - Skim excess fat from the cooking liquid and spoon sauce over the brisket. Garnish with parsley and serve with soft rolls, mashed potatoes, or coleslaw as desired.