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Prime Rib with Caramelized Onion Sandwiches

Ingredients

Scale
  • 1 can refrigerated crusty French loaf
  • 2 tablespoons butter
  • 2 cups thinly sliced yellow onion (1 large)
  • 1/4 teaspoon salt
  • 2 tablespoons prepared horseradish cream or sauce
  • 8 oz thinly sliced cooked beef prime rib
  • 1 cup fresh baby arugula

Instructions

  1. Heat oven to 350Β°F. Bake French loaf as directed on can. Cool completely.
  2. Meanwhile, in 12-inch nonstick skillet, melt butter over medium-high heat. Add onion and salt; cook 10 to 12 minutes, stirring frequently, until deep golden brown.
  3. Cut French loaf in half crosswise, then in half horizontally. Spread 1 tablespoon horseradish cream over cut sides of bottom of each loaf. Top each loaf with half each of the beef, onions, arugula and loaf tops.