1-First Step: Mix and apply the rub Start by mixing the brown sugar, paprika powder, onion powder, garlic powder, cumin powder, mustard powder, salt, and black pepper in a small bowl. Pat the brisket dry with paper towels, then rub the spice mix all over the meat. Get into every nook and cranny so the flavor has a chance to sink in. If you have time, let the brisket sit with the rub for 30 minutes to an hour. That little rest gives the spices time to cling to the surface and start working their magic. If you are in a hurry, go straight to the next step. The brisket will still be tasty.

2-Second Step: Build the BBQ sauce in the slow cooker Add the minced garlic, apple cider vinegar, ketchup, packed brown sugar, black pepper, onion powder, mustard powder, cayenne pepper, and Worcestershire sauce directly into the slow cooker. Stir until combined. This sauce may look simple, but once it cooks for hours with the brisket, it becomes rich, tangy, and deeply beefy. Place the seasoned brisket into the sauce. If your brisket has a fatty side, you can place that side up so the fat slowly melts into the meat while it cooks. Cover with the lid and keep it snug. Every time you lift the lid, you let out heat, and nobody wants that drama.

3-Third Step: Slow cook on low until tender Cook the brisket on low for 8 to 10 hours. For a 1.5 to 2 kilogram brisket, this window usually gives the best texture. If your brisket is a little smaller or larger, adjust the time based on weight, but still aim for that gentle low and slow rhythm. The brisket is ready when it is tender enough that a fork slides in easily. You want it soft, but still able to hold its shape for slicing. If your slow cooker runs hot, check a little earlier. If it runs cool, it may need extra time. The goal is fork-tender beef, not chewy beef with attitude.

4-Fourth Step: Thicken the sauce Once the brisket is done, remove it carefully and place it on a tray. Pour the cooking liquid into a saucepan and simmer it until it thickens. This step matters because it turns the thin cooking liquid into a glossy BBQ sauce that can cling to the brisket instead of sliding off like it is late for a meeting. Keep stirring while it simmers so the sugars do not catch on the bottom. You want a sauce that coats the back of a spoon. If it gets too thick, splash in a little water. If it seems too thin, give it another few minutes on the heat.

5-Final Step: Roast, baste, slice, and serve Preheat the oven to 200°C (390°F). Drizzle the brisket with the olive oil, then roast it for 15 minutes. After that, baste it with some of the thickened sauce and roast for another 5 to 10 minutes until the outside looks caramelized and slightly sticky. Let the brisket rest for a few minutes before slicing. Use a sharp knife and cut thin slices against the grain. This helps keep every bite tender. Serve the brisket with the sauce spooned over the top or on the side for dipping.