Grilled Flank Steak with Garlic & Rosemary

Bahan-bahan (4 porsi)

• ½ cup extra-virgin olive oil
• 2 tablespoons fresh chopped rosemary
• 4 cloves garlic, (roughly chopped)
• 2 teaspoons kosher salt
• ¼ teaspoon freshly ground black pepper
• 2 to 2½ lbs flank steak