Sweet Balsamic Marinated Steak with Garlic and Rosemary - My Home Made Recipe

Ingredients

• 1 1/2 lb (680 g) flank steak
• 1 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 1/3 cup (80 ml) balsamic vinegar
• 3 tablespoons olive oil
• 2 tablespoons low-sodium soy sauce
• 2 tablespoons packed brown sugar
• 4 cloves garlic, minced
• 1 tablespoon chopped fresh rosemary
• 1 tablespoon Dijon mustard
• 1 teaspoon Worcestershire sauce
• 1 tablespoon chopped fresh parsley, optional
• Flaky salt, optional