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Prime Rib Steak Sandwiches

PRIME RIB STEAK SANDWICHES centered hero view, clean and uncluttered

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Enjoy these prime rib steak sandwiches with melted provolone cheese, caramelized onions, and a creamy horseradish sauce. Perfect for a flavorful lunch or dinner, this recipe highlights Sauce For Steak Sandwich and Steak Sandwich Recipes Easy.

Ingredients

Scale
  • 1 ½ lbs leftover prime rib or other steak about 46 oz per person
  • 1 white onion sliced
  • 8 slices provolone cheese
  • 2 cups arugula or other crunchy green lightly packed
  • 1 large baguette
  • ¾ cup sour cream
  • 3 tablespoons horseradish
  • 1 tablespoon Dijon mustard
  • 2 tablespoons fresh squeezed lemon juice
  • 1 tablespoon white wine vinegar
  • ½ teaspoon kosher salt
  • 2 tablespoon fresh chives finely chopped

Instructions

  1. Preheat oven to 325 degrees.
  2. Heat a large pan to medium heat, add 2 tablespoons olive oil and the sliced onions. Stir occasionally until the onions are soft golden and sweet about 30-40 minutes.
  3. Place leftover prime rib in an ovenproof pan and heat in the oven for 15-20 minutes. Remove and slice thinly.
  4. Cut baguette into 4 pieces and slice each in half lengthwise. Place on baking sheet and put 2 slices provolone on bottom halves. Broil briefly to melt cheese.
  5. Assemble sandwiches with steak slices arugula caramelized onions and horseradish cream sauce. Serve immediately.

Notes

  • For crisp tops, broil 2–3 minutes at the end

Nutrition