Grilled Steak and Peppers Vinaigrette

Juicy grilled sirloin flap steaks served over tender braised leeks, topped with charred Cubanelle peppers and a tangy red wine vinaigrette. A perfect combination of grilled meat and flavorful vegetables.

4 servings
1 hr 18 min

Ingredients

  • 1 bunch leeks
  • 2 tablespoons unsalted butter
  • cups reduced-sodium chicken broth
  • 1 leaf bay leaf
  • 3 sprigs thyme
  • 2 pounds sirloin flap steaks
  • 2⅔ tablespoons olive oil
  • 4 whole Cubanelle peppers
  • 2 tablespoons red-wine vinegar
  • 2 tablespoons Dijon mustard
  • 5 tablespoons extra-virgin olive oil
  • 1 piece grill pan

Cooking Instructions

  1. 1.

    Halve leeks lengthwise and cut enough crosswise into 1-inch pieces to measure 8 cups, then wash.

    10 min

  2. 2.

    Simmer leeks, butter, broth, bay leaf, thyme, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a 12-inch heavy skillet over medium heat, covered, stirring occasionally, until leeks are very tender, about 20 minutes. Uncover and boil until liquid has reduced to about 2 tablespoons. Discard bay leaf and thyme.

    20 min

  3. 3.

    Meanwhile, heat grill pan over medium-high heat until hot.

    5 min

  4. 4.

    Brush steaks with 2 tablespoons olive oil and season with 1 teaspoon salt and 1/2 teaspoon pepper. Grill steaks, turning once, about 8 minutes total for medium-rare. Transfer to a plate and let rest 15 minutes.

    23 min

  5. 5.

    Meanwhile, halve and seed peppers and toss with remaining 2 teaspoon olive oil, 1/4 teaspoon salt, and 1/8 teaspoon pepper. Grill, turning once, until crisp-tender and lightly charred, 6 to 10 minutes total. Cut crosswise into 1-inch pieces.

    10 min

  6. 6.

    Whisk together vinegar, mustard, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a medium bowl. Add extra-virgin olive oil in a slow stream, whisking until emulsified. Add peppers.

    5 min

  7. 7.

    Serve steaks over leeks with their juices, drizzle with meat juices from plate, and top with peppers and vinaigrette.

    5 min

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