Flat iron steak is a hidden gem often overlooked in the world of cuts. Known for its tenderness and rich flavor, this cut can pack a punch with the right marinade and cooking technique. It boasts a beautiful marbling that not only enhances its flavor but also ensures juiciness whether you’re doing a quick stovetop sear or firing up the grill for a summer barbecue. Plus, it’s budget-friendly, making it a fantastic choice for family dinners or intimate gatherings.
Thank you for reading this post, don't forget to subscribe!
The first time I tried flat iron steak, it was love at first bite. I remember the delicious aroma filling my kitchen as I let it marinate overnight. The flavors mingled beautifully, and the ease of cooking meant I could impress my guests without slaving away in the kitchen for hours. The resulting steak was so tender, it practically melted in my mouth! This is a recipe that truly marries simplicity with elegance – an ultimate crowd-pleaser. I can’t wait for you to give this flat iron steak recipe a try!
Why You’ll Love This Recipe
- Simple & Quick: With just a quick marinade and straightforward cooking method, dinner can be on the table in under 30 minutes.
- Irresistible Flavor: The combination of Worcestershire sauce, garlic, and thyme creates a mouthwatering marinade that elevates the steak to new heights.
- Eye-Catching Appeal: Perfectly cooked, juicy steak looks stunning on the dinner plate, impressing everyone at your table.
- Flexible Serving: Ideal for casual weeknight meals or special occasions alike, this recipe works any time you’re craving a hearty dish.
- Diet-Friendly Options: Naturally gluten-free and packed with protein, this steak recipe aligns with many dietary needs.
Ingredients You’ll Need
- 1 lb Flat iron steak: This cut is incredibly tender and flavorful, perfect for marinating and quick cooking methods.
- 1/4 cup Olive oil: A high-quality olive oil enhances the marinade, providing richness and helping the flavors meld together. Feel free to substitute with avocado oil if preferred.
- 3 tbsp Worcestershire sauce: Adds savory depth; it’s key in highlighting the steak’s natural flavor.
- 2 tbsp Red wine vinegar: This helps tenderize the meat and adds a nice tang.
- 4 cloves Garlic (minced): Fresh garlic infuses the marinade with aromatic goodness, boosting flavor.
- 1/2 tbsp Dried thyme: Herbaceous notes that complement the beef beautifully. You can also use fresh thyme if you have it on hand.
- 1 tsp Sea salt: Essential for boosting flavor. Adjust to taste based on dietary needs.
- 1/2 tsp Black pepper: Freshly cracked is best for enhancing the overall flavor profile.
How to Make Flat Iron Steak
- Make the Marinade: In a large bowl, combine 1/4 cup olive oil, 3 tablespoons Worcestershire sauce, 2 tablespoons red wine vinegar, 4 minced garlic cloves, 1/2 tablespoon dried thyme, 1 teaspoon sea salt, and 1/2 teaspoon black pepper. Whisk until well blended.
- Marinate the Steak: Add the 1 lb flat iron steak to the marinade and turn to coat thoroughly. Cover the bowl and place it in the refrigerator for at least 2 hours, preferably overnight, to allow the flavors to develop.
- Prepare to Cook: Remove the steak from the refrigerator about 30-60 minutes before cooking. This brings it closer to room temperature, ensuring even cooking.
- Stovetop Cooking: Heat a tablespoon of olive oil in a large skillet over medium-high heat. Add the marinated flat iron steak to the skillet. Sear it for about 2-3 minutes per side for rare, 3-4 minutes for medium rare, 4-5 minutes for medium, 5-6 minutes for medium well, or 6-7 minutes for well done.
- Grill Cooking: If using a grill, preheat it over high heat for at least 10 minutes. Place the flat iron steak on the grill over direct heat and cook for 3-4 minutes per side for rare, 4-5 minutes for medium rare, 5-6 minutes for medium, 6-7 minutes for medium well, or 7-8 minutes for well done. Remember, cooking times may vary based on the thickness of your steak and the type of skillet or grill used.
- Check for Doneness: For the perfect steak, aim for an internal temperature of 120°F (49°C) for rare, 130°F (54°C) for medium rare, 140°F (60°C) for medium, 150°F (66°C) for medium well, and 160°F (71°C) for well done. Note that the steak’s temperature will continue to rise about 5 degrees when resting.
- Rest & Slice: Once cooked to your liking, transfer the steak onto a cutting board and let it rest for 5-10 minutes. This helps the juices redistribute throughout the steak. Slice against the grain for maximum tenderness.
Storing & Reheating
To store leftover flat iron steak, let it cool to room temperature and then refrigerate in an airtight container for up to 3 days. If you want to freeze it, wrap it tightly in plastic wrap and place it in a freezer bag for up to 3 months. To reheat, place the steak in a preheated oven at 250°F (121°C) until warmed through, about 20-30 minutes. Keep in mind that reheated steak may lose some tenderness, so consider slicing it thin to refresh the texture.
Chef’s Helpful Tips
- Avoid over-marinating: While the marinade packs flavor, marinating for more than 24 hours can cause the meat to become mushy.
- Use a meat thermometer: This ensures you’ve cooked the steak to your desired doneness without guesswork.
- High heat is your friend: Searing on high heat quickly creates a delicious crust while keeping the inside juicy.
- Let it rest: Allow the meat to rest before slicing; this is crucial to keeping your steak juicy.
- Experiment with seasonings: Feel free to add different herbs or spices to the marinade based on your taste preferences.
Whenever you make this flat iron steak, you’ll uncover just how simple and rewarding it is. Whether it’s a weeknight necessary or for a weekend gathering, I encourage you to experiment with flavors and make it your own!

Recipe FAQs
How do I know when my flat iron steak is done?
Steak doneness can be determined best with a meat thermometer. Aim for 120°F (49°C) for rare, 130°F (54°C) for medium rare, 140°F (60°C) for medium, 150°F (66°C) for medium well, and 160°F (71°C) for well done. Remember that the internal temperature will rise slightly while resting.
Can I cook flat iron steak in the oven?
Absolutely! If cooking indoors, you can sear the steak in a hot skillet and then finish it in a preheated oven at 400°F (204°C) for about 10-15 minutes depending on thickness and desired doneness.
What should I serve with flat iron steak?
There are countless delicious sides to serve with flat iron steak! Think roasted vegetables, mashed potatoes, a fresh salad, or even grilled corn. The choice is yours based on what flavor profile you enjoy!
How do I ensure my steak is tender?
Marinating the steak for several hours helps to tenderize the meat, as does allowing it to rest before slicing. Always slice against the grain to get those tender pieces. Enjoy your delicious flat iron steak!
Print
Flat Iron Steak
This Flat Iron Steak is packed with flavor from a simple marinade of olive oil, garlic, and Worcestershire sauce. Perfect for a quick and delicious meal, it’s ideal for dinner lovers seeking an easy yet fulfilling recipe.
- Total Time: 2 hours 15 minutes
- Yield: 4 servings 1x
Ingredients
- 1 lb Flat iron steak
- 1/4 cup Olive oil
- 3 tbsp Worcestershire sauce
- 2 tbsp Red wine vinegar
- 4 cloves Garlic (minced)
- 1/2 tbsp Dried thyme
- 1 tsp Sea salt
- 1/2 tsp Black pepper
Instructions
- In a large bowl, whisk together the olive oil, Worcestershire sauce, red wine vinegar, minced garlic, dried thyme, salt, and pepper.
- Add the flat iron steak and turn to coat, marinating in the refrigerator for at least 2 hours, preferably overnight, or up to 24 hours.
- Remove the steak from the fridge 30-60 minutes before cooking to let it come to room temperature.
- For stovetop cooking, heat a tablespoon of olive oil in a large skillet over medium-high heat. Sear the flat iron steak for 2-3 minutes per side for rare, adjusting time for other doneness levels.
- For grilling, preheat the grill over high heat for at least 10 minutes. Grill the flat iron steak for 3-4 minutes per side for rare, with time adjustments for desired doneness levels.
- After cooking, transfer the steak to a cutting board and let it rest for 5-10 minutes before slicing against the grain.
Notes
For optimal flavor, marinate the steak overnight if possible.
Use a meat thermometer to check for desired doneness: 120°F for rare, 130°F for medium rare, and so on.
Rest the steak after cooking to allow juices to redistribute.
- Prep Time: 2 hours (marinating)
- Cook Time: 15 minutes
- Category: Main Dishes
- Method: Grilling or Stovetop
- Cuisine: American
Nutrition
- Serving Size: 1 steak (170g)
- Calories: 400
- Sugar: 0g
- Sodium: 800mg
- Fat: 28g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 3g
- Fiber: 0g
- Protein: 36g
- Cholesterol: 120mg






