London Broil

Bahan-bahan (6 porsi)

• 3 pounds London broil (or flank steak )
• 3 tablespoons olive oil
• 3 tablespoons soy sauce
• 2 tablespoons balsamic vinegar
• 1 tablespoon Worcestershire sauce
• 3 cloves garlic (minced)
• ½ teaspoon dried thyme leaves
• ½ teaspoon dried rosemary (crushed)
• 2 tablespoons melted butter
• ½ teaspoon kosher salt (more to taste)
• ½ teaspoon black pepper