Remove standing rib roast from refrigerator and bring to room temperature, 2-3 hours.
Preheat oven to 450 degrees F.
Chop garlic, rosemary and thyme together until finely minced.
Stir garlic and herbs together with olive oil and butter to create a paste.
Sprinkle salt and pepper all over roast. (You may need more or less salt and pepper, depending how large your roast is.)
Spread garlic and herb butter all over roast in a thin, even layer.
Bake 15 minutes at 450 degrees. Then reduce oven temperature to 325 degrees F and cook 15-20 minutes per pound for medium rare. Use a thermometer to check for desired doneness.
Remove from oven, cover prime rib with foil gently for 30 minutes to rest.