Equipment
Ingredients
Main Ingredients
- 3000 g bone-in prime rib roast, raw, fat cap trimmed to 1cm
- 45 g kosher salt
- 15 g black pepper, coarsely ground
- 6 garlic, peeled and cut into thin slivers
- 30 ml olive oil
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 737 kcal
- Protein
- 72 g
- Carbohydrates
- 2 g
- Fat
- 49 g
- Fiber
- 1 g
- Sugar
- 0 g
- Sodium
- 2484 mg
- Saturated Fat
- 20 g
- Trans Fat
- 3 g
- Monounsaturated Fat
- 25 g
- Polyunsaturated Fat
- 2 g
- Cholesterol
- 251 mg
- Potassium
- 1203 mg
- Calcium
- 80 mg
- Iron
- 8.1 mg
- Magnesium
- 75 mg
- Phosphorus
- 706 mg
- Zinc
- 28.4 mg
- Vitamin A
- 16 mcg
- Vitamin C
- 1 mg
- Vitamin D
- 0.4 mcg
- Vitamin E
- 1.4 mg
- Vitamin K
- 11 mcg
- Vitamin B6
- 1.4 mg
- Vitamin B12
- 10.1 mcg
- Thiamin
- 0.24 mg
- Riboflavin
- 0.53 mg
- Niacin
- 16.3 mg
- Folate
- 12 mcg
- Water
- 259 g
Sources: USDA FoodData Central
Method
Pat the raw prime rib dry with paper towels. Season evenly on all sides with kosher salt and coarsely ground black pepper. Place the roast on a wire rack set in a roasting pan, and refrigerate uncovered for 24 hours. Wash your hands thoroughly and sanitize all surfaces after handling raw beef to prevent cross-contamination.
Remove the roast from the refrigerator 2 hours before cooking to allow it to come closer to room temperature. Using a paring knife, make small, deep incisions all over the meat and insert the garlic slivers. Rub the exterior lightly with olive oil.
Preheat the oven to 120°C/250°F.
Place the roasting pan with the beef into the oven. Roast until a meat thermometer inserted into the thickest part registers 48°C/118°F for a perfect medium-rare center, which will take approximately 3 to 3.5 hours.
Remove the roast from the oven and transfer it to a cutting board. Tent loosely with foil and let it rest for 45 minutes. The internal temperature will carry over to 54°C/130°F. Leave the oven on and increase the temperature to 260°C/500°F.
Once the meat has rested, return the roast to the roasting pan and place it in the extremely hot 260°C/500°F oven for 8 to 10 minutes to sear and develop a deeply browned, crispy crust. Watch carefully to avoid burning.
Remove from the oven and carve immediately. Slice the meat cleanly away from the rib bones, then cut the main roast into thick, generous portions. Serve immediately.
Chef's Notes
- Dry brining is non-negotiable for a premium cut of beef. Salting the meat 24 hours in advance draws out moisture, dissolves the salt, and reabsorbs the seasoned liquid, seasoning the meat deeply while drying the exterior for an optimal crust.
- The reverse sear method is superior for large roasts. Traditional roasting blasts the exterior and leaves a thick band of gray, overcooked meat just under the surface. Cooking low and slow first ensures perfectly even edge-to-edge pinkness.
- Carryover cooking is a powerful force. A large 3kg roast will increase in temperature by at least 6 degrees Celsius (10-12 degrees Fahrenheit) while resting. Pull it early.
- Never skip the resting phase. Resting allows the muscle fibers to relax and redistribute their natural juices. Slicing too early will result in dry meat and a flooded cutting board.
Storage
Refrigerator: 4 days — Store tightly wrapped or in an airtight container.
Freezer: 3 months — Freeze slices individually in vacuum-sealed bags.
Reheating: Gently reheat wrapped in foil in a 120C/250F oven, or submerge vacuum-sealed bags in warm water to prevent overcooking.
Troubleshooting
The meat is overcooked and dry
Cause: The roast was left in the oven too long during the initial low-heat phase, or carryover cooking during resting was not accounted for.
Fix: Serve the slices submerged in a rich, hot beef au jus or gravy to introduce moisture and flavor back into the meat.
Prevention: Always use a calibrated digital meat thermometer and pull the meat from the oven at exactly 48C/118F for medium-rare.
The exterior crust did not brown
Cause: The oven did not get hot enough for the final searing step, or the meat was too wet on the surface.
Fix: Use a culinary blowtorch to manually crisp the fat cap and exterior.
Prevention: Ensure the oven reaches 260C/500F before the final blast. The dry brine step is crucial for a dry surface.
Cultural Context
The prime rib, also known as a standing rib roast, has long been a symbol of celebration and culinary indulgence in British and American traditions. Historically spit-roasted over open flames in medieval feast halls, it remains the ultimate luxury centerpiece for holiday gatherings.
