We went ALL OUT with this Wagyu Prime Rib of Beef - a.k.a. "the motherlode". Let's see if this baby lives up to the hype, by cooking it to perfection, low and slow on the egg.
If there's one thing that can make or break a great cook, it's trimming the cut before anything else. Some will cut too much off, wasting a lot of tasty meat - others will leave too much on there, ending up with tough, unrendered fat and silverskin.
The art is in knowing what is good. Remove any silverskin and hard fat you can feel on the fat cap of the prime rib. These will not only taste terrible on your plate but will prevent the smoke from getting to the good meat during cooking.
Next, it's time to add some flavor. For this cook, we went with a combo of our home brand SPG and Texas Beef, which will complement and bring out the beefy flavor that's already in there.
Cover all sides with a layer of Texas Beef, then repeat with SPG. Make sure you don't miss the sides! And keep in mind, the prime rib is a big chunk of meat, so it can take quite a lot.
While we were prepping the prime rib, we had our smoker already set up and coming up to cooking temperature at 250ºF (121ºC). On the Big Green Egg, we installed the deflector plate to block out direct heat, cooking by convection (or indirect heat) instead.
Once we put the prime rib of beef on there, things can move quite fast, so keep an eye on that core temp! The target is a clean 120ºF (49ºC) in its center, but feel free to adjust this depending on how well done you want the beef.
The prime rib hit 120ºF core temp - it's time for the other thing that people often overlook: resting. Get the beef off the heat, and wrap it in a sheet of aluminum foil. Then wrap it in a towel - this will trap some of the heat inside, allowing the meat to cook just a little further, while also reabsorbing its juices.
Let the meat rest for about 30 minutes before unwrapping. Do not, I repeat, do not lose the juices! Make sure to save them as you unwrap the foil, they make for a mean sauce or jus.
Your prime rib of beef is ready - just slice and serve, garnished with your favorite side.
Have fun!
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