2018 - still too done - drop down to 35 min? or be at 475? 10 lbs. - 40 min - set for 10 min before Carving 4 minutes per lb @ 200

4 pounds prime rib roast
1/4 cup unsalted butter, softened
1 T. freshly ground black pepper
1 t. herbes de Provence Kosher salt

4 pounds prime rib roast 1/4 cup unsalted butter, softened 1 T. freshly ground black pepper 1 t. herbes de Provence Kosher salt

1. Place rib roast on a plate and bring to room temperature, about 4 hours.
2. Preheat oven to 500 degrees F.
3. Combine butter, pepper, and herbes de Provence in a bowl; mix until well blended. Spread butter mixture evenly over entire roast. Season roast generously with Kosher salt.
4. Roast 4-pound prime rib for 20 minutes. Turn off oven and let roast sit in oven for 2 hours with door-closed. Remove roast from oven, slice and serve.