Prep Time::5 mins
Cook Time:: 2 hrs 45 mins
Additional Time:: 1 hr 30 mins
Total Time:: 4 hrs 20 mins
Servings::24
Ingredients
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½ cup soy-based liquid seasoning (such as Maggi®)
½ cup Worcestershire sauce
3 cloves garlic, minced, or more to taste
9 pounds bone-in prime rib, cut and retied to the bone
Directions
Mix liquid seasoning and Worcestershire sauce together with garlic in a bowl. Pour over prime rib in a container. Marinate for 1 to 2 hours, turning every 30 minutes.
Preheat the oven to 450 degrees F (230 degrees C).
Place prime rib on a baking rack set inside a large baking dish.
Bake in the preheated oven until all juices are sealed in, about 45 minutes.
Reduce oven temperature to 325 degrees F (165 degrees C) and continue roasting until an instant-read thermometer inserted into the center reads 130 to 140 degrees F (54 to 60 degrees C), about 2 hours more.
Let prime rib sit for 30 minutes to 1 hour before slicing.
Recipe Tips
30 minutes per pound = medium internal temperature should be 130 to 140 degrees F (54 to 50 degrees C).
Make sure to add water to the bottom of the baking dish, so the drippings do not burn while cooking. Feel free to use the drippings to make a sauce or gravy.
Editor's Note:
Nutrition data for this recipe includes the full amount of marinade ingredients. The actual amount of marinade consumed will vary.