How to Make It
Step 1: Remove the rib from the refrigerator and let it rest at room temperature for 45–60 minutes.
Step 2: Preheat the oven to 450°F. Place the roast fat-side up on a rack in a roasting pan.
Step 3: In a bowl, mix BBQ sauce, mustard, olive oil (or butter), and vinegar until smooth.
Step 4: Brush sauce mixture generously over all sides of the roast; season lightly with salt, pepper, herbs, and garlic.
Step 5: Roast uncovered at 450°F for 20 minutes to develop a crust.
Step 6: Reduce the oven temperature to 325°F and continue roasting for 2-2½ hours, brushing once halfway through if needed.
Step 7: Remove at 120°–125°F internal temperature for medium-rare. Tent loosely with foil and rest 20 minutes before slicing.
Resting Note: Internal temperature will rise approximately 5–10°F while resting.