Season the Meat: Rub the brisket with olive oil, then coat it with the smoked paprika, garlic powder, onion powder, cumin, salt, and pepper.
Cook the Brisket: Place the brisket in a slow cooker or smoker, adding beef broth to keep it moist. Cook on low for 8–10 hours (slow cooker) or at 225°F (smoker) until tender.
Rest and Slice: Allow the brisket to rest for 20 minutes before slicing thinly against the grain.
Making the Sauce: Combine barbecue sauce, apple cider vinegar, honey, and Worcestershire sauce in a saucepan. Heat over medium heat, stirring occasionally, until the sauce is warm and well-blended.
Assembling the Brisket Buns: Toast the buns with a light layer of butter for extra flavor. Layer slices of brisket onto the buns. Drizzle generously with the prepared sauce. Add optional toppings like pickles, coleslaw, or sautéed onions. Serve warm.
