The Food Lab's Reverse-Seared Prime Rib

The Food Lab's Reverse-Seared Prime Rib is a medium American recipe that serves 4. 800 calories per serving. Recipe by J. Kenji López-Alt on YouTube.

Prep: 15 min | Cook: 5 hrs 45 min | Total: 6 hrs 20 min

Cost: $30.15 total, $7.54 per serving

Ingredients

  • 5 lb Bone‑In Prime Rib Roast (Chuck End) (Trim excess fat to about 1/2 inch; keep bone for flavor and insulation)
  • 2 tablespoons Kosher Salt (Coarse; used for dry‑brine)
  • 2 teaspoons Freshly Ground Black Pepper (Season generously)

Instructions

  1. Trim and Prepare the Roast

    Using a sharp knife, trim excess fat from the prime rib to about a 1/2‑inch thickness, leaving the bone intact.

    Time: PT5M

  2. Dry‑Brine the Beef

    Generously coat the roast on all sides with kosher salt and freshly ground black pepper. Place the roast on a rack set over a sheet pan and refrigerate uncovered for at least 24 hours, up to 4 days.

    Time: PT15M

  3. Low‑Temp Roast

    Preheat the oven to 250°F. Insert a meat thermometer into the thickest part of the roast, avoiding the bone. Roast until the internal temperature reaches 130°F for medium‑rare, about 4 hours 30 minutes.

    Time: PT4H30M

    Temperature: 250°F

  4. Rest After Low‑Temp Cook

    Remove the roast from the oven, loosely tent with foil, and let it rest at room temperature for 1 hour.

    Time: PT1H

  5. High‑Heat Sear

    Increase the oven temperature to its maximum (450‑500°F). Once preheated, return the roast to the oven for 10‑15 minutes, or until the exterior is deeply browned and crisp.

    Time: PT15M

    Temperature: 500°F

  6. Final Rest Before Carving

    Transfer the roast to a carving board, keep it loosely covered with foil, and let it rest for 10 minutes.

    Time: PT10M

  7. Carve the Prime Rib

    Using a carving knife, cut along the bone to remove it, then slice the meat into ½‑inch thick slices against the grain.

    Time: PT10M

Nutrition Facts

Calories
800
Protein
55 g
Carbohydrates
0 g
Fat
60 g
Fiber
0 g

Dietary info: Gluten‑Free, Paleo, Keto, Whole30

Last updated: April 6, 2026

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The Food Lab's Reverse-Seared Prime Rib

Recipe by J. Kenji López-Alt

A foolproof reverse‑sear method for a bone‑in prime rib that delivers evenly cooked, medium‑rare beef with a deep, caramelized crust. Season the roast with a dry‑brine of salt and pepper up to four days ahead, roast low and slow at 250°F, rest, then finish with a high‑heat blast for the perfect holiday centerpiece.

MediumAmericanServes 4

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Source Video
15m
Prep
6h 10m
Cook
46m
Cleanup
7h 11m
Total

Cost Breakdown

$30.15
Total cost
$7.54
Per serving

Critical Success Points

  • Trim and prepare the roast
  • Dry‑brine for at least 24 hours
  • Low‑temperature roast to target internal temperature
  • High‑heat sear for crust
  • Carve against the grain

Safety Warnings

  • Handle raw beef with clean hands and sanitize all surfaces.
  • Use a calibrated meat thermometer to avoid under‑ or over‑cooking.
  • Be careful when opening a hot oven and when handling the hot roast.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of prime rib in American holiday cuisine?

A

Prime rib has long been a centerpiece of American holiday feasts, especially for Thanksgiving and Christmas, symbolizing abundance and celebration. Its roots trace back to classic French "côte de bœuf" preparations, which were adopted by American steakhouses and home cooks as a luxurious roast for special occasions.

cultural
Q

What regional variations of prime rib exist within United States cuisine?

A

In the Midwest, prime rib is often served with a simple au jus, while in the South it may be paired with a mustard‑based sauce or herb butter. West Coast chefs sometimes add a coffee‑rub or smoked salt for a modern twist, but the core technique of roasting a bone‑in cut remains consistent.

cultural
Q

How is prime rib traditionally served in classic American dining?

A

Traditionally, the roast is sliced thick, served on a warm platter, and accompanied by horseradish sauce, au jus, or a red‑wine reduction. It is usually presented whole at the table, allowing guests to carve their own portions, emphasizing the communal nature of the meal.

cultural
Q

What occasions or celebrations is prime rib traditionally associated with in American culture?

A

Prime rib is most commonly featured at holiday gatherings such as Thanksgiving, Christmas, and New Year’s Eve, as well as at milestone celebrations like birthdays, anniversaries, and graduation parties where a show‑stopping main course is desired.

cultural
Q

How does prime rib fit into the broader American beef cuisine tradition?

A

Prime rib represents the high‑end end of the American beef spectrum, showcasing the country's love for well‑marbled, flavorful cuts. It sits alongside other iconic dishes like ribeye steak and beef brisket, highlighting the versatility of beef in both quick grilling and slow‑roasting methods.

cultural
Q

What are the authentic traditional ingredients for prime rib versus acceptable substitutes?

A

Authentic prime rib relies on the meat itself, coarse salt, and black pepper; the bone and fat are integral for flavor and moisture. Acceptable substitutes include a boneless standing rib roast (though you lose the insulating benefit of the bone) or a well‑marbled ribeye roast if prime rib is unavailable.

cultural
Q

What other American dishes pair well with prime rib?

A

Classic pairings include creamy mashed potatoes, roasted root vegetables, creamed spinach, Yorkshire pudding, and a simple green salad with vinaigrette. For sauces, horseradish cream, red‑wine jus, or a mustard‑herb butter complement the rich beef.

cultural
Q

What are the most common mistakes to avoid when making reverse sear prime rib?

A

Common errors include not dry‑brining long enough, using a thermometer that isn’t calibrated, over‑cooking the low‑temp phase, and skipping the high‑heat sear. Each mistake leads to a less flavorful crust or uneven doneness.

technical
Q

Why does this reverse sear prime rib recipe use a low‑temperature roast before a high‑heat sear instead of the traditional hot‑start method?

A

Cooking low and slow brings the entire roast up to the target internal temperature evenly, preventing the outer layers from overcooking. The final high‑heat blast then creates a deep Maillard crust without sacrificing the medium‑rare interior.

technical
Q

What does the YouTube channel J. Kenji López‑Alt specialize in?

A

The YouTube channel J. Kenji López‑Alt focuses on science‑based cooking techniques, detailed recipe development, and thorough explanations that help home cooks understand the "why" behind each step, often featuring classic American and comfort‑food dishes.

channel

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