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Balsamic marinated flank steak with blue cheese crust served on a plate
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Balsamic Marinated Flank Steak with Blue Cheese Crust

A flavor-packed dish featuring tender flank steak marinated in balsamic vinegar and olive oil, topped with creamy blue cheese and crispy panko. Perfect for gatherings or busy weeknights.
Prep Time45 minutes
Cook Time8 minutes
Total Time53 minutes
Course: Dinner, Main Course
Cuisine: American, Grilling
Keyword: Balsamic Marinade, Blue Cheese, Easy Dinner, Flank Steak, Grilled Steak
Servings: 4 servings
Calories: 300kcal

Ingredients

For the marinade

  • 1/2 cup olive oil A smooth and aromatic oil that acts as the base for the marinade.
  • 1/2 cup balsamic vinegar Brings a delightful zing to the steak.
  • 1/2 tbsp salt Essential for enhancing all the flavors.
  • 1/2 tsp cracked black pepper Adds a hint of spice and complexity.
  • 2 tbsp brown sugar Caramelizes during cooking, enhancing overall sweetness.
  • 2 green onions roughly chopped Offers a pop of color and flavor.

For the steak

  • 1.5–2 lbs flank steak A lean yet flavorful cut of beef that’s perfect for marinating.

For the crust

  • 1 cup crumbled blue cheese Rich, creamy, and tangy, providing depth to the dish.
  • 2 tbsp panko bread crumbs Crispy and light, enhancing the texture of the topping.
  • 1/2 tbsp butter Adds richness and helps create a golden crust.

Instructions

Make the Marinade

  • Whisk together the olive oil, balsamic vinegar, salt, pepper, chopped green onions, and brown sugar in a large dish.

Marinate the Steak

  • Lightly score one side of the flank steak in 1-inch sections.
  • Place the steak into the marinade, letting it soak for 30 to 45 minutes, turning once halfway through.

Broil the Steak

  • Preheat your broiler on high and place the scored steak side up on a broiler pan.
  • Broil for 3 minutes on each side.

Add the Crust

  • Melt the butter and mix it with the panko breadcrumbs.
  • Press the blue cheese into the scored cuts and sprinkle the breadcrumb mixture on top.

Final Broil

  • Return steak to the broiler for another 5 minutes or until the crust turns golden brown.

Rest and Serve

  • Let the steak rest for 10–15 minutes, then slice against the grain.

Notes

For added flavor, consider adding herbs like rosemary or thyme to the marinade. Marinate for at least 30 minutes for optimal flavor. Serve with sides like roasted vegetables or mashed potatoes.