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Herb-Crusted Prime Rib with Cheesy Potato Gratin



  • Serves 6
  • Cooks in 150 mins (30m prep + 120m cook)
  • Difficulty: Intermediate
  • Tastes: Bitter Salty Sour Sweet Umami
  • Estimated nutrition per serving

prime rib and potato augratin

local_grocery_store Ingredients

restaurant_menu Method

  1. 1.Preheat the oven to 450°F (230°C).
  2. 2.In a small bowl, combine the chopped rosemary, thyme, minced garlic, salt, black pepper, and olive oil to make the herb crust.
  3. 3.Rub the herb crust all over the prime rib roast, ensuring it is evenly coated.
  4. 4.Place the roast on a rack in a roasting pan and cook in the preheated oven for 15 minutes.
  5. 5.Reduce the oven temperature to 325°F (165°C) and continue roasting for about 2 hours or until the internal temperature reaches your desired level of doneness (135°F (57°C) for medium-rare, 145°F (63°C) for medium).
  6. 6.While the prime rib is roasting, prepare the potato gratin. Grease a baking dish with butter or cooking spray.
  7. 7.Layer half of the sliced potatoes in the greased baking dish, then sprinkle half of the shredded Gruyere cheese and grated Parmesan cheese over the potatoes.
  8. 8.Repeat with another layer of potatoes and the remaining cheeses.
  9. 9.In a saucepan, heat the heavy cream over medium heat until it begins to simmer. Remove from heat.
  10. 10.Pour the hot cream evenly over the layered potatoes and cheese.
  11. 11.Drizzle melted butter over the top and season with salt and black pepper.
  12. 12.Cover the baking dish with foil and bake in the oven at 350°F (175°C) for 45 minutes.
  13. 13.Remove the foil and continue baking for an additional 15-20 minutes, or until the potatoes are tender and the top is golden brown.
  14. 14.Once the prime rib is done, remove it from the oven and let it rest for 15-20 minutes before carving.
  15. 15.Serve the herb-crusted prime rib with the cheesy potato gratin and enjoy!

lightbulb_outline Tips

  • chevron_rightMake sure to let the prime rib rest before carving to allow the juices to redistribute and keep the meat tender.
  • chevron_rightFor an extra flavorful twist, add a splash of Worcestershire sauce to the herb crust mixture.
  • chevron_rightIf you prefer a crispy top on the potato gratin, broil it for a few minutes after baking.
  • chevron_rightServe the prime rib with your favorite side dishes and a delicious red wine for a complete meal.