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Onion-Crusted Beef Prime Rib Roast

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  • Prep 20 min
  • Total 2 hr 45 min
  • Servings 8
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Consider this the wow-worthy Christmas main you’ll want to make again and again. All it takes is a few basic seasonings to achieve this tasty and tender, Onion-Crusted Beef Prime Rib. Sprinkle the roast with garlic powder, minced onion and black pepper and let rest at room temperature for about 20 minutes—this will allow even cooking. The secret to getting the perfect crust? Roast on high for about 15 minutes! Serve with creamy mashed potatoes or roasted vegetables for a feast worthy of any celebration.
By Arlene Cummings
Updated Nov 25, 2019
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Ingredients

  • 1 boneless beef (prime) rib roast (4 lb)
  • 1/2 teaspoon garlic powder
  • 3 tablespoons dried minced onion
  • Salt and fresh ground black pepper

Steps

  • 1
    Place beef, fat side up, on rack in shallow roasting pan. Sprinkle all sides and underneath beef generously with garlic powder, dried onion, salt and pepper. Let beef stand at room temperature at least 20 minutes before roasting.
  • 2
    Heat oven to 450°F. Roast beef uncovered 15 minutes.
  • 3
    Reduce oven temperature to 325°F; continue to roast 1 hour to 1 hour 30 minutes or until meat thermometer inserted into center of beef reads 135°F (for medium). Temperature will rise about 5°F to 10°F after removing from oven; keep this in mind when considering cooking time and desired level of doneness.
  • 4
    Let beef stand 15 to 20 minutes before slicing.

Tips from the Betty Crocker Kitchens

  • tip 1
    Roast should be at room temperature before roasting in the oven. Prepare the roast and allow it to sit in the pan with the seasoning on it for about 20 minutes or more before roasting.
  • tip 2
    Don’t add water or any liquid to the pan.
  • tip 3
    Letting the roast rest after cooking before slicing allows it to retain its juices.
  • tip 4
    A bone-in roast may need a little more cooking time so be sure to check the internal temperature after 1 hour of roasting.
  • tip 5
    An instant-read digital meat thermometer makes it easy to get a fast and accurate reading on the meat temperature.
  • tip 6
    Keep in mind that oven temperatures can vary, so if you think your oven is not accurate, check the temperature by using an oven-safe thermometer on the center rack in the oven and heat the oven for 15 minutes. Then check to see that your oven is reading the same temperature that it was set at. If it is off, you will need to adjust your cooking time and temperature accordingly.

Nutrition

Nutrition Facts are not available for this recipe
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