Take the roast out of the refrigerator early.
Let it sit for two hours at room temperature.
Pat the meat completely dry with paper towels.
This helps create that beautiful golden crust.
Mix softened butter with minced garlic in a bowl.
Add chopped rosemary and thyme to the mixture.
Stir in salt and pepper until well combined.
This butter adds amazing flavor to the meat.
Rub olive oil all over the prime rib.
Spread the herb butter mixture on every surface.
Press it into the meat really well.
Don't forget the sides and ends too.
Preheat your oven to 450°F first.
Place the roast on a rack bone-side down.
Put it in the hot oven immediately.
Roast for exactly 20 minutes at high heat.
Reduce the oven temperature to 325°F now.
Pour beef broth into the bottom of the pan.
Continue cooking until the internal temperature reaches 120°F.
This takes about 2-3 hours total time.
Remove the roast when the thermometer reads right.
Cover it loosely with aluminum foil sheets.
Let it rest for 30 minutes minimum.
The temperature will rise to perfect medium-rare.