Choose a prime rib roast with good marbling
Bring the roast to room temperature for 1 to 2 hours
Preheat the oven to 450°F
Pat the roast dry with paper towels
Season generously with salt, black pepper, and optional garlic or herbs
Place the roast fat side up in a roasting pan
Roast at 450°F for 15 to 20 minutes
Reduce the oven temperature to 325°F
Continue roasting until the internal temperature reaches:
120°F to 125°F for rare
130°F to 135°F for medium-rare
140°F to 145°F for medium
Use a meat thermometer inserted into the thickest part of the roast
Remove the roast from the oven when it is 5°F below the target temperature
Tent loosely with foil
Let the roast rest for 20 to 30 minutes
Slice against the grain
Serve immediately