How to Cook a Prime Rib Roast in a Crock-Pot With Vegetables

Prime rib roast, also referred to as "standing rib roast," is a tender cut of beef from the rib section. Slow cooker prime rib roast is delicious and tender because of a high amount of fat marbling and should be enjoyed in moderation if you are trying to lose weight or reduce your fat intake.

Slow cooker prime rib roast is delicious and tender because of a high amount of fat marbling and should be enjoyed in moderation if you are trying to lose weight or reduce your fat intake. (Image: bhofack2/iStock/GettyImages)

You can use a slow cooker, like a Crock-Pot, to cook a prime rib roast and vegetables to tender, juicy perfection with little fuss and no hot oven.

Step 1: Combine Liquid Ingredients

Place red wine, beef stock and a bay leaf into a slow cooker. Stir to combine.

Step 2: Add the Veggies

Arrange garlic, celery, onion, carrots and fingerling potatoes in the broth mixture on the bottom of the slow cooker in an even layer.

Step 3: Season Your Meat

Sprinkle rosemary, sage, salt, pepper and garlic powder all over a prime rib roast. Pat the spices into the meat.

Step 4: Place Meat in the Pot

Place the standing rib roast with the bone side down and the fat side up on top of the vegetables. Turn the slow cooker on low heat and cover with the lid.

Step 5: Cook to Desired Temperature

Cook for five hours, or until the roast's internal temperature reaches 135 degrees, for medium-rare. Cook an additional hour, or until the roast's internal temperature reaches 145 degrees, for medium, which is advised for food safety. Cooking rib roast in a Crock-Pot until well done or using a high heat setting is not recommended, as the meat might dry out.

Step 6: Rest and Serve

Remove the roast and place on a serving platter. Allow the meat to rest for 10 minutes before serving. Arrange the vegetables on the serving platter around the roast. Serve the cooking liquid in a gravy boat, if desired.

Serve with horseradish and a green salad for a complete meal.

Slow Cooker Prime Rib Nutrition

A 3-ounce serving of prime rib roast contains 233.1 calories and 18.78 grams of fat after the visible fat is trimmed, according to USDA FoodData Central. It also provides 14.88 grams of protein, or 27 percent of the recommended daily amount for men and 33 percent for women, according to the National Academies of Sciences.

Of the 18.78 grams of fat in 3 ounces of prime rib, 7.65 grams are saturated. According to Mayo Clinic, saturated fats increase levels of "bad" cholesterol in the blood and can increase risk of heart disease.

Prime rib provides several minerals, including 1.59 grams of iron — approximately 20 percent of the daily value for men and nearly 9 percent of the daily value for women, according to the National Academies of Sciences.

Things You'll Need

  • 1 cup red wine

  • 1 cup beef stock

  • 1 bay leaf

  • Slow cooker

  • 3 cloves garlic, peeled and smashed

  • 3 celery stalks, chopped

  • 1 large red onion, chopped

  • 3 large carrots, peeled and chopped

  • 1 pound fingerling potatoes, scrubbed clean, skins on

  • 1 teaspoon dried rosemary

  • 1 teaspoon dried sage

  • 1 teaspoon salt

  • 1 teaspoon ground black pepper

  • 1 teaspoon garlic powder

  • Approximately 4 pounds prime rib roast or standing rib roast, bone-in

  • Large serving platter

  • Gravy boat

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