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Prime Rib Beef Roast

Prep Time20 mins
Total Time20 mins
Course: Main Dish
Cuisine: American
Servings: 6
Author: Amy Garrett


  • 1 beef prime rib roast (may be labeled simply “rib roast”), 2-3 rib or about 5lbs
  • 1 Tbsp black pepper
  • 1 cup Kraft Zesty Italian Dressing
  • 1-1/2 cups mayonnaise
  • 1/4 cup prepared horseradish


  • Place meat in large glass baking dish, sprinkle evenly with pepper. Pour dressing over meat, cover and marinate at least one hour.
  • Preheat oven to 325 degrees F. Remove meat from glass pan and place in a shallow roasting pan, fat side up and cover. Discard marinade. Bake until probe thermometer register 118 degrees F.
  • Remove from oven. Let stand for 15 minutes, leaving covered. Preheat oven to 500 degrees F and uncover roast, return to oven for 15 minutes. Let stand another 15 minutes before carving.
  • Meanwhile, mix the mayo and horseradish in small serving bowl, serve with meat.


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