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French Onion Prime Rib Recipe

Prime rib with the flavors of french onion soup
Prep Time30 mins
Course: Main Course
Cuisine: American
Author: Dan Whalen

Ingredients

Rub

  • 2 T. dried rosemary
  • 1 T. dried thyme
  • 1 T. coriander
  • 2 T. black peppercorns
  • 2 tsp. chili flakes
  • 2 T. salt

Instructions

  • Blend the spices in a spice grinder or mortar and pestle. Rub the spices on the roast making sure to cover the whole surface.
  • Preheat oven to 250°F.
  • Put the roast on a rack over a sheet pan and add the onions to the pan. Drizzle the onions with some oil and season with salt and pepper.
  • Cook until the internal temp reaches 125°F for a perfect medium rare. Cooking times are approximate.
    4 lb roast - 3:20
    6 lb roast - 3:50
    8 lb roast - 4:35
  • While the roast rests, add the onions to a frying pan with all the steak juices and cook on medium heat to brown, about 15 minutes. Just before removing them from the heat, add in the honey and stir to combine.
  • Turn the oven to 400°F.
  • Line a sheet pan with parchment and brush with oil. Add cheese in 4 piles. Cook until the cheese is melted and bubbling, about 10 minutes. Remove from the oven.
  • Toss the bread cubes with the melted butter and spread on a sheet pan. Bake for 15 minutes. Remove from oven.
  • Slice the roast and place the portions on individual plates.
  • Top with a scoop of the onions, some croutons, and some pieces of the crispy cheese. Serve.

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