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Balsamic Caprese Grilled Flank Steak

This simple balsamic Caprese grilled flank steak is bright, fresh, and full of flavor, topped with tomato, mozzarella, and basil.
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Prep Time 30 minutes
Cook Time 12 minutes
Total Time 42 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: Grilled, Italian
Calories: 350
Ingredients Method Notes

Ingredients
  

For the marinade
  • 1.5 pounds flank steak
  • 0.25 cup balsamic vinegar
  • 2 tablespoons olive oil
  • 2 cloves garlic, minced
  • 1 teaspoon dried Italian seasoning
  • 0.5 teaspoon salt
  • 0.5 teaspoon black pepper
For the topping
  • 2 large tomatoes, sliced
  • 8 oz fresh mozzarella, sliced
  • 0.25 cup fresh basil leaves
  • 1 tablespoon balsamic glaze, for drizzling

Method
 

Marinating the Steak
  1. In a shallow dish or zip-top bag, combine balsamic vinegar, olive oil, minced garlic, dried Italian seasoning, salt, and black pepper, mixing well to create a flavorful marinade.
  2. Place the flank steak into the marinade, ensuring it is fully coated. Cover or seal and refrigerate for at least 30 minutes and up to 8 hours to tenderize and infuse flavor.
Grilling the Steak
  1. Set your grill to medium-high heat to ensure proper searing and cooking.
  2. Remove the steak from the marinade, letting excess drip off. Grill the steak for 4 to 6 minutes per side, depending on your preferred level of doneness.
  3. Transfer the steak to a cutting board and let it rest for 5 to 10 minutes to allow juices to redistribute.
Assembling the Dish
  1. Slice the steak thinly against the grain. Arrange tomato and mozzarella slices over the steak slices, then sprinkle with fresh basil leaves.
  2. Drizzle balsamic glaze over the assembled steak and toppings. Serve immediately for best flavor and presentation.

Notes

Cool the steak and toppings to room temperature. Store in an airtight container in the fridge for up to 3 days. Keep the balsamic glaze separate if you can, and add it when you reheat or serve. Reheat gently in a low oven or on the stove to keep the meat tender.