Leftover Prime Rib Sandwich Recipe

Why You’ll Love This Recipe

• It’s the perfect way to use leftover prime rib without wasting any of that flavorful meat.
• Quick and easy to prepare, making it great for lunch or a fast dinner.
• The combination of tender beef, toasted bread, and savory toppings creates incredible flavor.
• Easily customizable with different sauces, cheeses, and toppings.
• It turns leftovers into a restaurant-style sandwich with minimal effort.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

sliced leftover prime rib
hoagie rolls or sandwich rolls
butter
prepared horseradish sauce or creamy horseradish
mayonnaise
provolone cheese slices
caramelized onions
arugula or lettuce
salt
black pepper

Directions

1. Slice the leftover prime rib thinly so it reheats quickly and stays tender.
2. Heat a skillet over medium heat and add a little butter.
3. Lightly warm the prime rib slices in the skillet for about 1–2 minutes per side until heated through. Avoid overcooking.
4. Split the hoagie rolls and toast them lightly in the same skillet with a bit of butter until golden.
5. Spread mayonnaise and horseradish sauce on the inside of the rolls.
6. Layer the warm prime rib slices onto the bottom half of the roll.
7. Add provolone cheese and allow it to slightly melt from the heat of the meat.
8. Top with caramelized onions and arugula or lettuce.
9. Season with salt and black pepper to taste.
10. Close the sandwich with the top bun and serve immediately.

Servings and timing

Servings: 4 sandwiches
Prep time: 10 minutes
Cook time: 5 minutes
Total time: 15 minutes

Variations

French dip style
Serve the sandwich with a small bowl of warm beef au jus for dipping to add extra flavor.

Cheesy melt
Toast the assembled sandwich in a skillet or panini press to melt the cheese and crisp the bread.

Garlic butter bread
Spread garlic butter on the rolls before toasting for extra richness.

Spicy version
Add sliced jalapeños or a spicy mustard for a bit of heat.

Mushroom and swiss
Replace provolone with swiss cheese and add sautéed mushrooms for a steakhouse-style sandwich.

Storage/Reheating

If you have leftover assembled sandwiches, wrap them tightly in foil and refrigerate for up to 2 days. For best results, store the meat and bread separately.

To reheat the prime rib, warm it gently in a skillet over low heat or briefly in the microwave to avoid drying it out.

Reheat the sandwich in a skillet, oven, or toaster oven until the bread is warm and slightly crisp.

FAQs

Can I use another cut of beef instead of prime rib?

Yes, roast beef or leftover steak works well if you do not have prime rib.

What bread works best for this sandwich?

Hoagie rolls, ciabatta, baguettes, or sturdy sandwich rolls hold the meat and toppings well.

How do I keep the meat tender when reheating?

Warm it gently over low heat and avoid cooking it for too long.

Can I make this sandwich ahead of time?

It’s best served fresh, but you can prep the ingredients ahead and assemble when ready to eat.

What sauce pairs best with prime rib?

Horseradish sauce, garlic aioli, or a simple beef au jus are all great options.

Can I add vegetables to the sandwich?

Yes, caramelized onions, sautéed mushrooms, tomatoes, or arugula add great flavor.

Is this sandwich good served cold?

It can be eaten cold, but it’s much more flavorful when the meat is warm.

Can I freeze leftover prime rib for later sandwiches?

Yes, wrap it tightly and freeze for up to 2 months. Thaw in the refrigerator before using.

How do I make the sandwich more filling?

Add extra cheese, mushrooms, or even a fried egg for a heartier meal.

What sides go well with this sandwich?

French fries, potato chips, coleslaw, or a light salad pair perfectly.

Conclusion

A leftover prime rib sandwich is one of the best ways to give new life to a holiday roast. With tender slices of beef, toasted bread, and flavorful toppings, this simple recipe turns leftovers into a rich and satisfying meal that’s quick enough for any day of the week.

Leftover Prime Rib Sandwich Recipe

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A hearty leftover prime rib sandwich made with tender slices of beef, toasted rolls, creamy horseradish sauce, and melted provolone. It is a quick and flavorful way to transform leftover roast into a satisfying meal.

• Author: Laura
• Prep Time: 10 minutes
• Cook Time: 5 minutes
• Total Time: 15 minutes
• Yield: 4 sandwiches
• Category: Main Course
• Method: Pan Fry
• Cuisine: American
• Diet: Halal

Ingredients

• 12 oz sliced leftover prime rib
• 4 hoagie rolls or sandwich rolls
• 2 tbsp butter
• 2 tbsp prepared horseradish sauce
• 2 tbsp mayonnaise
• 4 slices provolone cheese
• 1/2 cup caramelized onions
• 1 cup arugula or lettuce
• 1/2 tsp salt
• 1/2 tsp black pepper

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Instructions

1. Slice the leftover prime rib thinly so it reheats quickly and stays tender.
2. Heat a skillet over medium heat and add 1 tablespoon of butter.
3. Warm the prime rib slices in the skillet for about 1–2 minutes per side until heated through, avoiding overcooking.
4. Split the hoagie rolls and toast them in the same skillet with the remaining butter until lightly golden.
5. Spread mayonnaise and horseradish sauce on the inside of each roll.
6. Layer the warm prime rib slices onto the bottom half of each roll.
7. Add a slice of provolone cheese on top of the meat and allow it to slightly melt.
8. Top with caramelized onions and arugula or lettuce.
9. Season with salt and black pepper to taste.
10. Close the sandwich with the top half of the roll and serve immediately.

Notes

• For a French dip variation, serve the sandwich with warm beef au jus for dipping.
• Press the assembled sandwich in a skillet or panini press for a crispy cheesy melt.
• Spread garlic butter on the rolls before toasting for extra flavor.
• Add sliced jalapeños or spicy mustard for a spicier sandwich.
• Swiss cheese and sautéed mushrooms can replace provolone for a steakhouse-style variation.
• Store leftover components separately in the refrigerator for up to 2 days for best freshness.

Nutrition

• Serving Size: 1 sandwich
• Calories: 520 kcal
• Sugar: 4 g
• Sodium: 780 mg
• Fat: 26 g
• Saturated Fat: 11 g
• Unsaturated Fat: 13 g
• Trans Fat: 0.5 g
• Carbohydrates: 38 g
• Fiber: 2 g
• Protein: 32 g
• Cholesterol: 95 mg