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Grilled Bone in Prime Rib Roast on the Big Green Egg

Grilled Bone in Prime Rib Roast

Welcome back to the best grilling blog on the Internet! For this post I am featuring a Snake River Farms 4-bone ribeye roast grilled on my Big Green Egg. At the time I am posting this it is closer to Spring than it is Winter but I wanted to focus this recipe on delivering the best centerpiece for your holiday meal. Using a special herbed butter on the outside of this roast, this prime rib comes out as beautiful as it tastes. Now sit back, grab your favorite glass of Malbec, and enjoy this post for Grilled Bone in Prime Rib Roast on the Big Green Egg. 

Grilled Bone in Prime Rib Roast on the Big Green Egg

When cooking a roast this size take it out of the packaging a day before you plan to cook it and dry the exterior off with paper towels. 

Getting started with roast prep

Get kosher salt ready (1 tsp per pound) and tie your roast with butcher twine to hold its shape while cooking. 

Salt the prime rib roast

Now cover all sides of the roast with kosher salt, place on to a baking pan with a wire rack, and in to the fridge for 24 hours. This dry brining technique does many things: it tenderizes the meat, it locks in the flavor, and it makes the meat juicier. This step shouldn’t be skipped!

use 1 tsp of salt per pound Cover the roast in salt

After 24-hours take the meat out of the fridge 2-hours before you plan to cook it. 

Salted roast after 24 hours

While the roast is coming up to room temperature make the herbed butter mixture with 2 sticks of softened butter, 2 Tbs minced fresh herbs, 8-10 cloves of minced garlic, and 2 Tbs Dizzy Pig Cow Lick seasoning (make sure to use code: BBQBUDDHA for 15% off any order at Dizzy Pig BBQ). 

Prepare herbed butter

Mix all the ingredients thoroughly with the butter. 

Grilled Bone in Prime Rib Roast

Next, rub the butter on all surfaces of the rib roast. 

Grilled Bone in Prime Rib Roast

Fill the Big Green Egg with lump charcoal and light in the middle. After 10-minutes, add a handful or two of Pecan Wood Chips to the lit coals. Place in your ConvEGGtor for indirect grilling. 

Grilled Bone in Prime Rib Roast

Once your temperature is stable at 350°F it is time to place your rib roast inside. 

Grilled Bone in Prime Rib Roast

Place your roast bone side down and let cook for an hour undisturbed. 

Grilled Bone in Prime Rib Roast

After an hour your roast should be coming along nicely. From this point forward make sure to take an internal temperature of the roast every 30-minutes until you reach a temperature of 125°F. 

After 2 hours the roast is almost ready and the color of the exterior looks amazing. 

Grilled Bone in Prime Rib Roast

At 2.5 hours your roast should measure 125°F. Pull the roast from your Big Green Egg and rest it on a cutting board for 20-30 minutes. 

Remove the Prime Rib Roast

The final temperature should be between 130°-135° for a perfect medium rare. 

Rest the Prime Rib Roast

Remove the ribs before slicing the meat in to steaks for serving. 

Remove the bones of the Prime Rib Roast

Cut the steaks to your desired width. A 10-pound roast should feed 8-10 people when cooked. 

Slicing the Prime Rib Roast Sliced Prime Rib Roast

Enjoy this delicious grilled bone in prime rib roast. The perfect centerpiece for your next holiday gathering. 

Grilled Bone in Prime Rib Roast

Grilled Bone in Prime Rib Roast

Grilled Bone in Prime Rib Roast on the Big Green Egg
Prep time
Cook time
Total time
This recipe for Grilled Bone in Prime Rib Roast on the Big Green Egg is the perfect centerpiece for your holiday gathering!
Recipe type: Main
Cuisine: American
Serves: 8-10
  • 1 4-bone prime rib roast (8-10 pounds)
  • 2 sticks unsalted butter
  • 8-10 cloves garlic, minced
  • 1 Tbs rosemary, minced
  • 1 Tbs thyme, minced
  • 2 Tbs Dizzy Pig Cow Lick seasoning
  • Kosher Salt (1 tsp per pound)
  1. Salt the prime rib roast with Kosher salt (1 tsp per pound) 24 hours before cooking and place on a baking sheet with a wire rack. Place in the refrigerator uncovered.
  2. -hours before cooking take the roast out of the fridge and allow it to come to room temperature.
  3. Soften the 2 sticks of butter and combine with minced garlic, minced herbs, and seasoning.
  4. Apply the butter mixture to the roast all over.
  5. Preheat your Big Green Egg to 350°F setup for indirect cooking using your ConvEGGtor. I like to use Pecan Wood chips for some additional smoke flavoring.
  6. When the temp is stable and the smoke is running clean, place the roast inside the Big Green Egg bone side down. and let cook undisturbed for an hour before checking. After that check on the roast and internal temperature every 30 minutes until an internal temperature of 125°F is achieved.
  7. Pull the roast and let rest 30 minutes before slicing.
  8. Slice the bones off the roast first, then cut the roast in to equal steaks.


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4 comments on “Grilled Bone in Prime Rib Roast on the Big Green Egg

  1. Can this recipe be done with a boneless prime rib?
    Can you use the same set up or are there modifications?