Grilled Beef-and-Horseradish Sandwiches

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Grilled Beef-and-Horseradish Sandwiches
  • Prep Time
  • 4Servings

Ingredients

  • 3 tablespoons extra-virgin olive oil
  • 2 onions, thinly sliced
  • Salt and pepper
  • 1 1/4 pounds flank steak
  • 3/4 cup mayonnaise
  • 1/4 cup jarred horseradish
  • 1 loaf italian bread, cut crosswise into 8 slices, ends trimmed and reserved for another use
  • 4 ounces arugula
  • 6 ribs celery, cut into sticks

Preparation

Preheat a grill to medium-high heat. In a medium skillet, heat 2 tablespoons olive oil over medium heat. Add the onions,season with salt and pepper and cook until golden-brown, about 15 minutes.

Brush the steak with the remaining 1 tablespoon olive oil and season with salt and pepper. Grill, turning once, for about 12 minutes for medium-rare; let rest for 10 minutes before thinly slicing.

Meanwhile, in a small bowl, stir together the mayonnaise, horseradish and a pinch each salt and pepper. Spread onto one side of each bread slice.

Divide the sliced beef among 4 bread slices, then top with the caramelized onions and the arugula and set the remaining bread slices into place. Serve with the celery sticks.