Season brisket generously with salt, pepper, smoked paprika, onion powder, and garlic powder
Heat olive oil in a pan and sear brisket on all sides until browned
Place sliced onions and garlic in the bottom of the slow cooker
Add brisket on top, then pour BBQ sauce and beef broth over it
Cover and cook on LOW for 8–9 hours until fork-tender
Rest brisket for 10 minutes, slice, spoon sauce over, garnish, and serve
