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Under 30 Minutes

Under 30 Minutes

Broiled Flank-Steak Sandwiches

  • prep: 10 mins
    total time: 25 mins
  • servings: 4
Photography: WILLIAM MEPPEM

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Ingredients

  • 1/4 cup sour cream
  • 1/4 cup mayonnaise
  • 2 tablespoons prepared horseradish
  • 1 tablespoon grainy mustard
  • Coarse salt and freshly ground black pepper
  • 1 1/2 pounds flank steak
  • 3 tablespoons extra-virgin olive oil
  • 1 bunch watercress, tough stems trimmed
  • 1 tablespoon freshly squeezed lemon juice
  • 4 thick slices rustic bread, toasted
  • Roasted Peppers with Garlic and Basil, or store-bought roasted bell peppers, if you prefer

Directions

  1. Step 1

    Make horseradish sauce: In a small bowl, whisk together sour cream, mayonnaise, horseradish, and mustard. Season with salt and pepper. Cover with plastic wrap; refrigerate while preparing steak.

  2. Step 2

    Heat broiler, with rack 6 inches from heat. Season steak well on both sides with salt and pepper; rub with 2 tablespoons oil. Place on a roasting pan fitted with a rack. Broil 6 minutes on each side for medium-rare. Let rest 5 minutes before slicing 1/4 inch thick.

  3. Step 3

    Place watercress in a bowl; toss with remaining tablespoon oil and the lemon juice. Season with salt and pepper. Serve on toasted bread, topped with steak, horseradish sauce, and roasted peppers.

Source
Martha Stewart Living, April 2003

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Reviews (1)

  • cw05 29 Jun, 2010

    This was absolutely delicious. Definitely the best sandwich I have ever had at home.
    I served them on ciabatta baguette, which was definitely worth the extra few calories. They were soooo good, I cannot imagine having them any other way.