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Grilled Marinated Flat Iron Steak Recipe

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4.4 from 13 reviews

This Grilled Marinated Flat Iron Steak recipe features a flavorful marinade made from garlic, onion, brown sugar, orange juice, soy sauce, and spices that tenderizes and infuses the steak with a delicious tangy and slightly sweet flavor. The steak is marinated for at least 4 hours, then grilled to a perfect medium-rare, making it a juicy and tender main dish ideal for casual dinners or weekend grilling sessions.

  • Total Time: 5 hours 22 minutes
  • Yield: 4 servings

Ingredients

Marinade Ingredients

  • 1 clove garlic (roughly chopped)
  • 1/4 small white onion (roughly chopped)
  • 1/4 cup vegetable oil
  • 2 tablespoons light brown sugar
  • 2 tablespoons orange juice
  • 2 tablespoons soy sauce
  • 1/2 teaspoon chili powder
  • 1/4 teaspoon ground cumin

Steak

  • 1 1/4 pounds flat iron steak
  • Flaky sea salt (for serving)

Instructions

  1. Prepare the Marinade: Place garlic, onion, vegetable oil, light brown sugar, orange juice, soy sauce, chili powder, and ground cumin into a blender. Blend until the mixture is smooth, creating approximately 3/4 cup of marinade.
  2. Marinate the Steak: Place the flat iron steak in a shallow baking dish or zip-top plastic bag. Pour the marinade over the steak, ensuring it is evenly coated. Cover and refrigerate for at least 4 hours, or up to overnight, turning the steak once if possible to allow even marination.
  3. Bring Steak to Room Temperature: Remove the steak from the marinade, letting any excess drip off, and discard the marinade. Allow the steak to sit at room temperature for 30 minutes prior to grilling to ensure even cooking.
  4. Preheat the Grill: Heat the grill to medium-high heat for direct grilling. This ensures a hot surface to sear the steak.
  5. Grill the Steak: Place the steak on the grill and cook for 4 minutes, turning once halfway through to develop a nice sear on both sides.
  6. Continue Cooking on Medium Heat: Reduce the grill heat to medium. Continue grilling the steak for an additional 6 to 8 minutes, turning occasionally until the internal temperature reaches 130°F for medium-rare doneness.
  7. Rest the Steak: Transfer the steak to a plate and tent it loosely with foil. Allow it to rest for 5 minutes to redistribute the juices.
  8. Slice and Serve: Thinly slice the steak against the grain and serve garnished with flaky sea salt.

Notes

  • Marinating the steak overnight enhances flavor and tenderness even more.
  • Use a meat thermometer to check for doneness accurately: 130°F is medium-rare; adjust cooking time for preferred doneness.
  • Letting the steak rest after grilling helps retain its juiciness.
  • If you don’t have a grill, you can use a grill pan on the stovetop, but results may differ.
  • Flaky sea salt adds a nice texture and flavor contrast to the finished steak.
  • Author: Amelia
  • Prep Time: 10 minutes
  • Cook Time: 12 minutes
  • Category: Main Course
  • Method: Grilling
  • Cuisine: American

Find it online: https://recipesvibe.com/grilled-marinated-flat-iron-steak-recipe/