Best Leftover Prime Rib Sandwich Recipe

User Reviews

5.0

6 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    10 mins

  • Total Time

    40 mins

  • Servings

    4 servings

  • Calories

    613 kcal

  • Course

    Main Course

  • Cuisine

    American

Best Leftover Prime Rib Sandwich Recipe

The best leftover prime rib sandwich is a great recipe for leftover prime rib roast. Served on a warm ciabatta roll topped with sweet caramelized onions, horseradish mayo, and seasoned fresh arugula- this will be your favorite prime rib leftovers! Make our homemade ciabatta bread.

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Ingredients

Servings

Sandwich:

  • 12-15 oz leftover prime rib thinly sliced
  • 4 ciabatta rolls or 8 slices of baguette bread
  • 4 slices Swiss cheese or provolone cheese, optional
  • Butter or olive oil for grilling or toasting

Caramelized Onions:

  • 2 large yellow onions thinly sliced
  • 2 tablespoons butter
  • salt and pepper to taste
  • 1 pinch sugar optional

Horseradish Mayo:

  • 1-2 tablespoons horseradish sauce adjust to taste
  • 2-3 tablespoons mayonnaise

Salad:

  • 2 cups arugula or baby arugula
  • 1 tablespoon olive oil
  • 1 teaspoon lemon juice

Optional Au Jus for Dipping:

  • Reserved juices from the cooked prime rib
  • beef broth or beef stock if needed
  • salt and pepper to taste
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Instructions

  1. Caramelize the Onions: In a pan, melt butter over medium-high heat. Add the thinly sliced onions and let them get brown on the bottom before turning. Reduce heat to medium-low and simmer until they become soft and caramelized. This process can take 20-30 minutes. Season with a pinch of sugar (optional), salt, and pepper to enhance the caramelization process. Stir occasionally.
  2. Prepare the Horseradish Sauce: In a small bowl, mix horseradish sauce and mayonnaise. Adjust the ratio to your preferred level of spiciness. Set aside.
  3. Toss the Salad: In a small bowl, toss the arugula with the olive oil and lemon juice until well coated. Set aside.

Assemble the Sandwich:

  1. Preheat a grill pan or skillet over medium heat. Alternatively, you can use a toaster or oven to toast the bread. Butter one side of each slice of bread.
  2. Spread the horseradish-mayo sauce on the unbuttered side of one slice of bread.
  3. Layer the thinly sliced prime rib and provolone or Swiss cheese on top (if using).
  4. On the other slice of bread, spread the caramelized onions.
  5. Put the two slices of bread together with the spreads and fillings inside.
  6. Cut the sandwich in half, and serve it with your favorite sides like coleslaw, pickles, or potato chips.

Serve with Optional Au Jus:

  1. In a small saucepan, heat the reserved juices from the cooked prime rib. If needed, add a bit of beef broth to adjust the consistency. Season the au jus with salt and pepper to taste.
  2. Serve the sandwich with a side of the optional au jus for dipping.

Notes

  • Choose the Right Bread: Select a sturdy bread like a baguette or ciabatta that can hold up to the juicy meat and toppings.
  • Balance Flavors: Consider the balance of flavors and textures in your sandwich. Sweet, tangy, creamy, and crunchy elements can all enhance the experience.
  • Layering Matters: Arrange the ingredients thoughtfully. Place condiments and spreads on the bread’s interior to prevent sogginess, and evenly distribute the prime rib, cheese, and vegetables for each bite.
  • Sauce Placement: If using au jus or another sauce, consider dipping it on the side to prevent the bread from getting too soggy.
  • Toast the Bread: Toasting the bread adds a delightful crunch and helps keep it from becoming overly soft from the sandwich fillings.

Nutrition Information

Show Details
Calories 613kcal (31%) Carbohydrates 35g (12%) Protein 22g (44%) Fat 43g (66%) Saturated Fat 18g (90%) Polyunsaturated Fat 5g Monounsaturated Fat 16g Trans Fat 0.2g Cholesterol 85mg (28%) Sodium 455mg (19%) Potassium 360mg (10%) Fiber 2g (8%) Sugar 4g (8%) Vitamin A 560IU (11%) Vitamin C 8mg (9%) Calcium 195mg (20%) Iron 2mg (11%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 613 kcal

% Daily Value*

Calories 613kcal 31%
Carbohydrates 35g 12%
Protein 22g 44%
Fat 43g 66%
Saturated Fat 18g 90%
Polyunsaturated Fat 5g 29%
Monounsaturated Fat 16g 80%
Trans Fat 0.2g 10%
Cholesterol 85mg 28%
Sodium 455mg 19%
Potassium 360mg 8%
Fiber 2g 8%
Sugar 4g 8%
Vitamin A 560IU 11%
Vitamin C 8mg 9%
Calcium 195mg 20%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5.0

6 reviews
Excellent

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