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Sliced medium-rare flat iron steak arranged in a row on a dark surface, garnished with a few green herbs. The juicy, seared edges and pink centers are visible, highlighting the tenderness of this flat iron steak recipe.

Flat Iron Steak Recipe

Melissa Griffiths
When I tried this Flat Iron Steak Recipe, I couldn't believe how such an affordable cut could rival expensive steakhouse favorites. The secret lies in a simple marinade and knowing exactly when to pull it from the heat.
5 from 2 votes
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Prep Time 10 minutes
Cook Time 6 minutes
Marinade Time 1 hour
Total Time 1 hour 16 minutes
Servings 6 people
Calories 404 kcal

Equipment

Ingredients
  

For the Marinade

  • 2 tablespoons soy sauce
  • 3 tablespoons lemon juice
  • ⅔ cup olive oil
  • 1 tablespoon brown sugar
  • 1 garlic clove (minced)
  • ½ cup scallions (chopped)
  • 1-2 pound flat iron steak

For the Seasoning Mix

  • 1 teaspoon salt
  • ½ teaspoon pepper
  • ½ teaspoon paprika
  • 2 tablespoons olive oil

Instructions
 

  • Combine the marinade ingredients and add the flat iron steak.
    2 tablespoons soy sauce, 3 tablespoons lemon juice, ⅔ cup olive oil, 1 tablespoon brown sugar, 1 garlic clove, ½ cup scallions, 1-2 pound flat iron steak
  • Let sit for 1 hour, up to overnight.
  • Remove the flat iron steak from the marinde.
    1-2 pound flat iron steak
  • Season with the salt, pepper, and paprika.
    1 teaspoon salt, ½ teaspoon pepper, ½ teaspoon paprika
  • Add 2 tabelspoons of olive oil to a medium pan over medium heat.
    2 tablespoons olive oil
  • Cook the flat iron steak for 5-6 minutes per side, until the internal tempeature reaches 135ºF.
  • Let rest 10 minutes. Slice against the grain and serve.

Notes

For a different flavor profile: Swap lemon juice for lime juice and add a teaspoon of cumin for a Mexican-inspired version. Or use balsamic vinegar instead of lemon for deeper, sweeter notes.
Spice it up: Add red pepper flakes to the marinade or seasoning mix for heat. Or brush with chimichurri during the last minute of cooking.

Nutrition

Calories: 404kcalCarbohydrates: 4gProtein: 15gFat: 37gSaturated Fat: 7gPolyunsaturated Fat: 3gMonounsaturated Fat: 24gTrans Fat: 0.3gCholesterol: 50mgSodium: 781mgPotassium: 288mgFiber: 0.4gSugar: 2gVitamin A: 167IUVitamin C: 5mgCalcium: 16mgIron: 2mg
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