Best Garlic Flank Steak in Oven

User Reviews

4.4

252 reviews
Good
  • Prep Time

    5 mins

  • Cook Time

    20 mins

  • Resting Time

    10 mins

  • Total Time

    35 mins

  • Servings

    4

  • Calories

    398 kcal

  • Cuisine

    American

Best Garlic Flank Steak in Oven

Best Garlic Flank Steak in Oven features a flank steak marinated in a garlic, lemon, and herb mixture before broiling at high heat for a flavorful crust and juicy interior. The marinade includes olive oil, diced garlic, lemon juice and zest, garlic powder, and Italian herbs, creating a bright and savory profile. The method of searing the steak in a hot cast iron or heavy pan under the broiler ensures a well-developed crust and tender steak, suitable for slicing thinly to serve.

Description

This recipe begins by seasoning a trimmed flank steak with salt and pepper, then marinating it in a blend of olive oil, Italian herbs, lemon zest and juice, and diced garlic for 40 minutes to two hours. The marinade imparts a citrus and garlic brightness balanced with herbs, enriching the meat’s mild beef flavor. Preheating a cast iron skillet or heavy pan in the oven to a very hot temperature allows for immediate searing when the steak is placed, enhancing the crust formation.

The steak is broiled at 450-500°F, cooking about 8 minutes per side, with a sprinkling of garlic powder before cooking to boost the savory notes. The result is a steak with a deeply browned and flavorful exterior, while maintaining juiciness inside. This cut is ideal for slicing against the grain for serving.

This method suits those seeking a substantial steak with garlic and lemon character easily achieved indoors without grilling. The high oven temperature and hot pan are key to achieving the best texture. Any remaining marinade should be discarded before cooking to avoid burning. Resting the steak briefly after cooking lets the juices redistribute for better texture and flavor retention.

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Ingredients

Servings
  • 1 ½ lb flank steak
  • 1 tsp salt sea salt
  • 1 tsp black pepper freshly cracked
  • ½ cup olive oil
  • 1 tsp Italian herb mix
  • ¼ cup garlic diced
  • 2 oz lemon juice
  • 1 tbsp garlic powder
  • lemon zest of 1

Instructions

  1. Lay flank steak out flat, trim any extra fat or silver skin. 
  2. Generously season steak with salt and pepper. 
  3. Add olive oil, herbs, lemon zest and juice, and diced garlic to a large bowl or (preferably) a large plastic bag and mix well. 
  4. Add steak to bag and let marinate for 40 minutes up to two hours. 
  5. Preheat oven to 500 degrees (or 450 - as high as your oven broiler can go.)
  6. Add large cast iron pan or skillet to oven. If you don't have a pan or cast iron griddle large enough for your steak, you can use a heavy baking sheet lined with foil. (Cast iron will get best results, but don't worry if you don't have it.) Make sure pan is close to broiler, but not touching (I give about 5" to make sure my steak has room under the broiler since I have a gas flame broiler and don't want to start a fire from spattering fat.) Let pan get scorching hot before adding steak to it for the best texture.
  7. Remove steak from bag, and sprinkle with garlic powder. 
  8. Cook steak in oven for 8 minutes, then flip to other side and cook another 8.
  9. Continue to cook until steak has reached desired doneness: 125 degrees with a digital thermometer inserted into the fattest part of the steak will give you a rare steak. 135 degrees will get you medium rare, 155 for medium well, and 165 degrees for well done.
  10. When your steak is done to your taste, remove from oven.
  11. Place a small piece of foil over the steak to "tent" it and let it finish carryover cooking as it rests for 10 minutes. 
  12. When steak has rested for at least 10 minutes (don't rush - if you cut it right off the grill the steaks juices will all run out), slice it width-wise (so you have lots of thin strips instead of just a few long strips) against the grain - which is essential to keeping the steak from being too chewy or tough. 
  13. Serve immediately and enjoy! 

Nutrition Information

Show Details
Serving 1g Calories 398kcal (20%) Carbohydrates 5g (2%) Protein 32g (64%) Fat 27g (42%) Saturated Fat 6g (30%) Polyunsaturated Fat 19g (112%) Cholesterol 90mg (30%) Sodium 456mg (19%) Fiber 1g (4%) Sugar 1g (2%)

Nutrition Facts

Serving: 4Serving

Amount Per Serving

Calories 398 kcal

% Daily Value*

Serving 1g
Calories 398kcal 20%
Carbohydrates 5g 2%
Protein 32g 64%
Fat 27g 42%
Saturated Fat 6g 30%
Polyunsaturated Fat 19g 112%
Cholesterol 90mg 30%
Sodium 456mg 19%
Fiber 1g 4%
Sugar 1g 2%

* Percent Daily Values are based on a 2,000 calorie diet.

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