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Always a treat over the holiday season and at special occasion celebrations, prime rib is a delicious cut of beef. It’s also an investment that you don’t want to waste. That’s why we’re sharing 10 of the Best Leftover Prime Rib Recipes. So, if you’re looking for some inspiration, we think you’ll find a few that you and your family will love!
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Leftover Prime Rib Sandwich

This recipe takes classic roast beef sandwiches to the next level! Enjoy it with a hot bowl of soup for a full and hearty meal. 
Prep Time10 minutes
Cook Time45 minutes
Total Time55 minutes
Keyword: Leftover Prime Rib Recipes
Servings: 2
Author: Izzy

Ingredients

  • 1/2 pound leftover prime rib sliced
  • 1 cup bell peppers or capsicum sliced
  • 1 onion sliced
  • 1 small baguette cut in half
  • 2 tablespoons butter

Sauce

  • 1 head garlic roasted
  • ¼ cup sour cream
  • 1 teaspoon thyme
  • 1 teaspoon horseradish creamed
  • ½ teaspoon balsamic vinegar
  • salt and pepper to taste

Instructions

Make the sauce

  • In a blender, pulse the roasted garlic and mix in the sour cream, horseradish, and vinegar.
  • Stir in the thyme and add the salt and pepper, and set aside.

Prepare the vegetables

  • On a skillet over medium heat, melt the butter.
  • Add the onions and saute until the onions are translucent, before reducing the heat to low.
  • Toss in the bell peppers or capsicum and toss for 5 minutes.
  • Remove from the heat and let the vegetables return to room temperature.

Assemble the sandwich

  • Slice the baguette horizontally, but not all the way and open it up.
  • Lather the inside of the bread with the sauce.
  • Place a layer of the vegetable mix over the sauce on the bread, followed by a slice or two of the prime rib.
  • Close the baguette around the sandwich and serve. Enjoy!