Remove the prime rib from packaging and rinse well under cold water.
Pat it completely dry with paper towels.
Wrap the roast with three layers of cheesecloth.
Place on a rack on a sheet pan, fat side up.
Set in the back of the refrigerator for up to seven days to dry age.
Remove it from the refrigerator and unravel it from the cheesecloth.
Generously season with salt and black pepper.
Mix rosemary, thyme, and minced garlic to form an herb rub.
Apply the rub vigorously onto the roast.
Preheat your oven to 325°F (163°C).
Place the seasoned roast in a roasting pan.
Drizzle with olive oil.
Roast the meat in the oven until the internal temperature reaches your desired level of doneness.
This generally takes about 2 to 3 hours for medium-rare.