Learn how to cook a small prime rib roast with this straightforward standing rib roast recipe. A bone-in prime rib is rubbed with an herb butter and roasted to juicy perfection for an impressive holiday centerpiece.
If you enjoy ribs, try other recipes like Red Wine Short Ribs, Five-Spice Short Ribs, or Thai-Style Baby Back Ribs.
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This method uses a dry brine applied the day before, then an herb and garlic butter spread across the roast before roasting. The butter mixture helps the roast keep moisture while creating a crisp, flavorful crust as it browns.
Serve with spicy horseradish cream or a simple au jus made from pan drippings for a classic, crowd-pleasing main course.
Why This Prime Rib Roast Recipe Works
- Perfect holiday entrée – A standing rib roast is an elegant main for Christmas or any celebration. It pairs well with many side dishes and feeds a small group without leftover waste.
- Simple prep – The technique is straightforward: salt ahead, make an herb butter, and follow the temperature steps. Clear timing and a meat thermometer make the result reliable.
- Great for small gatherings – A smaller bone-in roast is cost-effective and feels special—ideal for intimate dinners or potlucks.
What is a Prime Rib Roast?
Prime rib roast, also called standing rib roast or ribeye roast, comes from the rib primal and is prized for marbling and rich flavor. The fat content keeps the meat juicy and flavorful when roasted.
Tools You’ll Need
- Baking sheet
- Wire rack
- Meat thermometer
Ingredients You Will Need for Roast Prime Rib
Ingredients are simple; the herb butter and sauces carry the flavor. You can make a quick horseradish cream or use pan drippings to make a classic jus.
Prime Rib Roast
- Standing rib roast – Use bone-in for more flavor and juiciness. The bones insulate the meat and help with even roasting.
- Seasoning – Kosher salt is used for a 24-hour dry brine. Salt generously but adjust to taste.
Butter Mixture
- Salted butter at room temperature to bind the herbs and seasonings.
- Lemon zest for brightness.
- Freshly cracked black pepper for a sharp finish.
- Fresh herbs such as rosemary and thyme, finely chopped, plus ground coriander.
- Garlic minced fresh for best flavor.
Horseradish Cream
- Crème fraîche or full-fat sour cream as the creamy base.
- Prepared horseradish for heat.
- Apple cider vinegar for tang.
- Quality mayonnaise to enrich the sauce.
- Kosher salt and freshly ground pepper to taste, plus chopped chives and a splash of Worcestershire sauce.
How do you prepare prime rib before cooking?
- Salt the beef: 24 hours before roasting, pat the roast dry and season generously with kosher salt. Place on a baking sheet with a wire rack and refrigerate uncovered for 24 hours to dry-brine.
- Bring to room temperature: Remove the roast from the fridge 1½–2 hours before roasting. Combine the herb butter ingredients and set aside.
How To Cook a Small Prime Rib Roast
Start at a high temperature to develop a textured herb crust, then lower the oven temperature to finish cooking evenly and gently.
- Preheat oven to 450°F.
- Smear with butter and roast: Spread the butter mixture over the roast once it reaches room temperature.
Insert a meat probe into the thickest part of the roast and place the roast bone-side down on the wire rack. Roast at 450°F for 22–30 minutes (about 5 minutes per pound) until the exterior is browned. Reduce the oven to 325°F and continue roasting until the internal temperature reaches about 120°F for medium-rare (the temperature will rise while the meat rests).
Rest the roast tented with foil for about 25 minutes to allow juices to redistribute. Transfer to a cutting board, remove the bones if desired, and slice against the grain into ½–¾-inch thick slices. Serve and enjoy.
Horseradish cream sauce
Combine all ingredients in a bowl, taste and adjust seasoning, then set aside until serving.
Boneless or Bone-In Prime Rib Roast?
Bone-in is recommended for flavor and even cooking. Bones act as insulation and make carving straightforward: slice alongside the bones to remove them, or ask your butcher to French-trim or remove the bones and tie the roast if you prefer.
How Long to Cook Prime Rib Roast
Timing depends on roast size and desired doneness. A useful rule is about 15 minutes per pound at the lower temperature stage after the initial high-heat sear. This recipe’s 4½-pound roast takes roughly an hour to 1 hour 30 minutes total, depending on oven and final internal temperature.
Use the meat thermometer for accuracy:
- Rare: 115–119°F
- Medium rare (recommended): 120–125°F
- Medium: 126–134°F
- Medium well: 135–140°F
- Well: Not recommended—avoid overcooking.
Note: The roast’s temperature will rise about 6–10°F while resting. If it’s under target, you can return it to the oven briefly; if overcooked, it’s irreversible.
How Much Prime Rib Per Person
A general guideline: one rib serves about two people. A 4½-pound roast (two ribs) comfortably serves four, depending on appetites and sides. Typical estimates:
- 2 ribs ≈ 4 pounds — 3–4 people
- 3 ribs ≈ 6 pounds — 5–6 people
- 4 ribs ≈ 8 pounds — 7–8 people
- 5 ribs ≈ 10 pounds — 9–10 people
Tips and Tricks
- Salt 24 hours ahead: A dry brine improves flavor and juiciness.
- Choose well-marbled beef: Higher marbling yields a more tender, flavorful roast.
- Bring to room temperature: Remove from the fridge 1½–2 hours before roasting for even cooking.
- Use a meat thermometer: It’s the best way to achieve exact doneness.
- Use an oven thermometer: Ovens can run hot or cool—verify accuracy for consistent results.
- Let it rest: Resting keeps juices in the meat instead of spilling onto the cutting board.
- Slice across the grain: Cutting perpendicular to the grain ensures the most tender bites.
What to Serve with Prime Rib Roast
- Potatoes: Mashed, fondant, or roasted potatoes pair beautifully with prime rib.
- Roasted vegetables: Green beans, Brussels sprouts, or glazed carrots add balance and color.
- Bread: Warm rolls or garlic bread are perfect for sopping up juices and jus.
How to Store and Reheat
Store leftovers in an airtight container in the refrigerator for up to five days. Reheat covered in a 300°F oven for about 15 minutes, then uncover for 5 minutes to refresh the crust.
Frequently Asked Questions
How long does it take to cook a prime rib?
Times vary by roast size and desired doneness. Follow the two-stage approach: a short high-heat period, then a lower temperature finish—about 15 minutes per pound during the finishing stage—while monitoring with a thermometer.
What is the difference between prime rib and prime rib roast?
The terms are often used interchangeably. “Prime rib” refers to the cut; “prime rib roast” emphasizes the roasted preparation of that cut.
Is prime rib better than ribeye?
They come from the same section. Prime rib is typically served as a roast (bone-in) and suits communal meals. Ribeye is a boneless steak, ideal for individual servings with concentrated flavor.
Do you roast the standing rib roast bone up or down?
Roast bone-side down so the bones act as insulation and help the meat cook evenly and stay moist.
Looking for More Holiday Recipes
- Cranberry Sauce Recipe
- Best Mashed Potatoes
- Baked Candied Yams
- Brown Butter Sage Butternut Squash
- Kale Pomegranate Salad
- Baked Mac and Cheese
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How to Cook a Small Prime Rib Roast
Equipment
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Baking Sheet
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Wire Rack
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Meat Thermometer
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Fine Mesh Sieve
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Sauté pan
Ingredients
Prime Rib Roast
- 4½ pounds (2 ribs) standing rib roast
- kosher salt, for dry brine
Butter Mixture
- 1½ sticks salted butter, room temperature
- ½ medium lemon zested
- 2 tablespoons garlic, minced
- 1 tablespoon fresh rosemary, finely chopped
- 1 tablespoon fresh thyme, finely chopped
- 1½ teaspoons ground coriander
- ¾ teaspoon freshly cracked black pepper
- ½ teaspoon kosher salt, or to taste
Horseradish Cream
- ½ cup crème fraîche, or full-fat sour cream
- 2 tablespoons horseradish
- 2 tablespoons chives, finely chopped
- 1½ tablespoons quality mayonnaise
- 1¼ teaspoons Worcestershire sauce
- 1 teaspoon apple cider vinegar
- ¼ – ½ teaspoon kosher salt, or to taste
- freshly ground black pepper, to taste
Jus (optional)
- ⅓ cup prime rib drippings
- 2 tablespoons all-purpose flour
- 1½ cups, beef broth, low sodium
- ⅓ cup red wine
- kosher salt, to taste
- freshly cracked black pepper, to taste
- 2 teaspoons Worcestershire sauce
Instructions
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Salt beef. 24 hours before roasting, pat the roast dry and generously season with kosher salt. Place on a baking sheet with a wire rack and refrigerate uncovered for 24 hours to dry-brine.
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Allow meat to come to temperature. Remove roast from the refrigerator 1½–2 hours before roasting. Combine the herb butter ingredients and set aside.
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Preheat oven to 450°F.
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Smear with butter and roast. Spread the butter mixture all over the roast, insert the meat probe into the thickest part, place bone-side down on the wire rack, and roast at 450°F for 22–30 minutes until the exterior is browned. Reduce oven to 325°F and continue roasting until the internal temperature reaches about 120–122°F for medium-rare (about 15–16 minutes per pound during this stage). The temperature will rise as the roast rests.
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Rest and carve. Tent the roast with foil and rest for 25 minutes. Transfer to a cutting board, remove the bone if desired, and carve into ¾-inch slices. Serve with horseradish cream or jus.
Horseradish cream sauce
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Mix all horseradish cream ingredients in a bowl, taste and adjust seasoning, then refrigerate until ready to serve.
Jus
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Strain the pan drippings and heat a sauté pan over medium. Add about ⅓ cup drippings and the flour, whisk and cook for two minutes.
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Add beef broth and red wine, bring to a boil, then simmer until reduced and slightly thickened. Season with Worcestershire, salt and pepper to taste, and keep warm until serving.