Flat Iron Steak and Spinach Salad Recipe

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Jesus Jacobs Modified: May 12, 2022
Flat Iron Steak and Spinach Salad Recipe

How To Make Flat Iron Steak and Spinach Salad

Here’s a flat iron steak recipe that’s grilled in just 10 minutes. It’s served over a bed of spinach salad and topped with wine and Italian salad dressing.

Preparation: 25 minutes
Cooking: 25 minutes
Total: 50 minutes



  • 1flat iron steak,(2 lb)
  • salt and ground black pepper,to taste
  • 2tbspolive oil
  • 1largered onion,thinly sliced
  • ½cupItalian salad dressing
  • 3largered bell peppers,cut into ½-inch strips
  • 2portobello mushrooms,sliced
  • ½cupred wine
  • 4cupsbaby spinach leaves
  • ½cupblue cheese,crumbled


  1. Preheat an outdoor grill for medium-high heat; lightly oil the grate.

  2. Season the flat iron steak on both sides with salt and pepper. Cook to desired degree of doneness on preheated grill, about 5 minutes per side for medium-rare. Let rest in a warm area while proceeding with the recipe.

  3. Heat olive oil in a large skillet over medium-high heat. Stir in the onion, and cook for about 4 minutes until it begins to soften.

  4. Pour in the Italian salad dressing, and bring to a boil, then stir in the red peppers and mushrooms. Reduce heat to medium, and cook for about 5 minutes until the peppers are tender.

  5. Remove the vegetables from the skillet with a slotted spoon, and set aside. Increase the heat to medium-high, and add the red wine. Simmer the salad dressing and wine for about 5 minutes until it has reduced to a syrupy sauce.

  6. Meanwhile, divide the spinach leaves onto serving plates. Thinly slice the flat iron steak across the grain. Spoon the warm, cooked vegetable mixture over the spinach leaves, then place the sliced steak on top.

  7. Spoon on the reduced red wine sauce, and finally, sprinkle with blue cheese.

  8. Serve and enjoy.


  • Calories: 293.11kcal
  • Fat: 21.65g
  • Saturated Fat: 5.93g
  • Trans Fat: 0.13g
  • Monounsaturated Fat: 8.78g
  • Polyunsaturated Fat: 5.97g
  • Carbohydrates: 10.35g
  • Fiber: 2.84g
  • Sugar: 5.94g
  • Protein: 12.09g
  • Cholesterol: 34.62mg
  • Sodium: 551.28mg
  • Calcium: 87.94mg
  • Potassium: 542.90mg
  • Iron: 1.86mg
  • Vitamin A: 183.63µg
  • Vitamin C: 108.44mg
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