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+ servings
Leftover Pot Roast Patty Melts
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4.48 from 128 votes

Leftover Pot Roast Patty Melts

With a creamy mayo-steak sauce spread, grilled onions, and two kinds of cheese, you'll love these leftovers!
Prep Time15 minutes
Cook Time10 minutes
Total Time25 minutes
Course: Main Dishes
Cuisine: American
Servings: 4 -6 servings
Calories: 779kcal
Author: Danelle

Ingredients

For the sandwiches:

  • 2-3 cups leftover shredded pot roast
  • 8 slices sturdy bread
  • 3 tablespoons butter plus more for the bread
  • 2 medium onions thinly sliced
  • Salt and pepper to taste
  • 4 slices Provolone cheese
  • 4 slices cheddar cheese

For the sauce:

  • 1/2 cup mayonnaise
  • 3 tablespoons steak sauce
  • 1/8 teaspoon pepper

Instructions

  • Re-heat the pot roast in the microwave. Butter one side of all 8 slices of bread.
  • Melt 3 tablespoons of butter in a large skillet. Add onions and cook over medium heat, stirring frequently, until onions are soft and golden brown.
  • Season with salt and pepper and remove from heat.
  • Combine the sauce ingredients in a medium bowl.
  • Heat a griddle over medium-high heat. Spread a layer of the sauce on the unbuttered side of 4 slices of bread. Top with a piece of cheddar cheese.
  • Top each slice of cheddar with about 1/2 cup of pot roast, a generous portion of onions, and the slice of Provolone cheese. Top with the remaining slice of bread, buttered side out.
  • Grill, flipping once, until both sides are browned and crispy.
  • Serve patty melts with the remaining sauce, for dipping.

Nutrition

Serving: 1g | Calories: 779kcal | Carbohydrates: 35g | Protein: 41g | Fat: 51g | Saturated Fat: 20g | Polyunsaturated Fat: 28g | Trans Fat: 1g | Cholesterol: 141mg | Sodium: 826mg | Fiber: 3g | Sugar: 8g