Trim the brisket, leaving about ¼ inch of fat cap.
Season generously on all sides with salt and pepper.
Preheat your oven to 290°F.
Place brisket fat-side up on the oven.
Cook low and slow for 10–14 hours (target internal temp: 203°F).
Spray every 30 minutes with liquid smoke
Wrap in butcher paper when it hits the stall (~160°F).
Rest for at least 1 hour before slicing against the grain.