How long do I cook prime rib per pound?

At 325°F, plan for about 15-18 minutes per pound for medium-rare. A 7-lb roast takes roughly 2 to 2.5 hours. Always use a meat thermometer — time is a guide, temperature is the truth.

What temperature should prime rib be for medium-rare?

Pull the roast at 120-125°F internal temperature. It will rise to 130-135°F during the 20-30 minute rest. This gives you that perfect rosy pink center.

Why do I need to let prime rib come to room temperature?

A cold roast cooks unevenly — the outside overcooks before the center catches up. Two hours at room temperature ensures even cooking from edge to center.

Should I sear prime rib before or after roasting?

Jon sears first at high heat (450°F for 20 minutes) to develop that beautiful crust, then drops the temperature for gentle, even cooking. Some chefs reverse-sear, but this method gives excellent results.

How long should prime rib rest before carving?

A minimum of 20 minutes, ideally 30. Resting allows the juices to redistribute throughout the meat. Cut too soon and those juices end up on the cutting board instead of in the meat.

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Prime Rib Roast

Name: Prime Rib Roast
Prep time: 20 min
Cook time: 2 h 30 min
Total time: 2 h 50 min
Yield: 8 servings
Cuisine: American
Ingredients: 1 bone-in prime rib roast (7-8 lbs, 3-4 ribs); 6 cloves garlic, minced; 2 tablespoons fresh rosemary, finely chopped; 2 tablespoons fresh thyme leaves; 3 tablespoons Dijon mustard; ¼ cup olive oil; 2 tablespoons kosher salt; 2 tablespoons coarsely ground black pepper; Horseradish cream, for serving; Au jus, for serving

Apr 9, 2025
1 min read

Updated: Mar 4

Easy Prime Rib Recipe — **Prime Rib: where crust meets crave, and every slice whispers luxury**

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Make this recipe easier with the right tools: Roasting Pan, Instant Read Thermometer, and Chef's Knife.

If you enjoyed this recipe, you might also love Creamy Mashed Potatoes, Maple Glazed Ham, Pork Schnitzel, Best Holiday Roast, and Best Beef.

Prime Rib Roast

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