Best Easy Grilled Flank Steak Recipe

Lean grilled flank steak marinated and sliced against the grain is a high protein, healthy option for family dinners. This versatile cut supports clean eats and works beautifully in a calorie deficit meal plan.

Cook 30 min Difficulty NORMAL 220 kcal
#high protein #low carb #diabetic friendly
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Ingredients
Main ingredients
  • flank steak 1.5 lbs
  • olive oil 2 tbsp
Seasonings/Sauce
  • soy sauce 2 tbsp
  • balsamic vinegar 1 tbsp
  • garlic (minced) 3 cloves
  • black pepper 1 tsp
  • kosher salt 1 tsp
Nutrition summary
Carbohydrates 2 g 4%
Protein 38 g 69%
Fat 7 g 27%
Serving size 160g
Cooking steps
  1. 1

    In a large resealable bag, combine olive oil, soy sauce, balsamic vinegar, minced garlic, black pepper, and kosher salt to make the marinade, mixing well.

  2. 2

    Place the flank steak in the marinade. Seal and refrigerate for at least 2 hours, preferably up to 8 hours, turning once for even flavor absorption.

  3. 3

    Preheat a grill to high heat (about 450°F). Remove steak from marinade, let excess drip off, and pat surfaces dry for proper searing.

  4. 4

    Grill the steak over direct heat for about 4-5 minutes per side, using tongs to flip only once for clear grill marks and optimal caramelization.

  5. 5

    Check for doneness at the thickest part with an instant-read thermometer (target 130°F–135°F for medium-rare). Transfer to a cutting board, tent with foil, and rest 8 minutes before thinly slicing against the grain.

Personalized Q&A
Q. What's the key ingredient in this Grilled Flank Steak recipe?
The core ingredient is flank steak. Its lean profile provides a distinct beefy flavor and meaty texture, making it ideal for high protein and healthy meal plans. The steak absorbs marinade flavors well, resulting in a juicy and flavorful dish.
Q. Why is marinating the flank steak important in this recipe?
Marinating flank steak with olive oil, soy sauce, vinegar, and garlic infuses the meat with flavor, helps tenderize its lean fibers, and protects it from drying out during high-heat grilling. Turning the steak in the marinade ensures even seasoning.
Q. How do I ensure a tender and juicy flank steak on the grill?
Avoid overcooking by grilling over high heat for just 4–5 minutes per side and checking the internal temperature for medium-rare. Let the steak rest before slicing, and always cut thinly against the grain—this locks in juices and keeps the meat tender.
Q. What is the nutrition profile per serving of this recipe?
Each 160g serving of grilled flank steak provides approximately 220 kcal, 38g protein (69%), 2g carbohydrates (4%), and 7g fat (27%). The high protein and low-carb balance make it an excellent choice for muscle maintenance and calorie-conscious diets.
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