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How To Cook A 5 Lb Prime Rib – A Tutorial For The Holidays

Prome Rib Chef John Prime rib roast is a holiday classic—here's from With the holidays in full swing, many of us...

Written by Margareth Issiah · 1 min read >
Prome Rib Chef John Prime rib roast is a holiday classic—here's from

With the holidays in full swing, many of us are on the hunt for the perfect food to serve at our gatherings. There is perhaps no better food than a big, juicy prime rib roast. If you’re looking to impress your guests this year, then here’s your guide to the perfect 5 lb prime rib.


The key to a great prime rib is in the ingredients. You’ll need the following:

  • 5 lb prime rib roast
  • 2 tablespoons of olive oil
  • 2 tablespoons of garlic powder
  • 1 teaspoon of onion powder
  • 1 teaspoon of paprika
  • 1 teaspoon of thyme
  • 1 teaspoon of black pepper
  • 1 teaspoon of oregano

Make sure to buy a quality cut of prime rib, such as grass fed, organic, or wagyu. For the best results, you should buy your roast from a local butcher or farmer’s market.


The first step is to preheat your oven to 350°F. Now it’s time to prepare the roast. Start by rubbing the roast with olive oil and then season it with the garlic powder, onion powder, paprika, thyme, black pepper, and oregano. Place the roast in a roasting pan and cover it with aluminum foil.

Once your oven is preheated, place the roast in the oven and cook it for 30 minutes. After 30 minutes, reduce the heat to 325°F and cook for an additional 15 minutes per pound. So, for a 5 lb roast, you’ll need to cook for a total of 1 hour and 45 minutes.

Once the roast is cooked, take it out of the oven and let it rest for 15 minutes before carving. This will ensure that the juices are distributed evenly throughout the roast, resulting in a juicy and flavorful prime rib.

Tips and Tricks

Here are a few tips and tricks to make sure your prime rib comes out perfect every time:

  • Make sure to use a thermometer to check the internal temperature of the roast. The internal temperature should be between 145°F and 155°F for medium rare.
  • If you’re serving a large crowd, you may want to buy a larger roast. A 7 lb roast will need to cook for 2 hours and 15 minutes.
  • You can add additional flavor to the roast by basting it with a mixture of butter, garlic, and herbs.
  • For a crispier crust, brush the roast with a mixture of olive oil and melted butter before seasoning.
  • Let the roast rest for at least 15 minutes before carving to ensure the juices are distributed evenly.

Serving Suggestions

A prime rib roast is delicious on its own, but there are many other dishes that pair well with it. Here are a few ideas:

  • Roasted potatoes
  • Steamed vegetables
  • Creamed spinach
  • Creamy mashed potatoes
  • Sauteed mushrooms
  • Cauliflower gratin


A prime rib roast is the perfect centerpiece for any holiday dinner. With the right ingredients and a few tips and tricks, you can be sure that your prime rib will be a hit! As the song goes, “it’s the most wonderful time of the year”, and a perfectly cooked prime rib is just the thing to make it even more wonderful.

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