Ingredients:2 pounds flank steak1/2 cup soy sauce1/3 cup vegetable oil2 tablespoons dark brown sugar1/4 cup Worcestershire sauce1 teaspoon Dijon mustard4 cloves garlic, minced2 tablespoons fresh chives, minced1 1/2 teaspoons ground black pepper2 teaspoons balsamic vinegarDirections:Prepare Marinade:Mix all ingredients together in a Ziploc bag or a large dish: soy sauce, vegetable oil, dark brown sugar, Worcestershire sauce, Dijon mustard, garlic, chives, black pepper, and balsamic vinegar.Marinate Steak:Add the flank steak to the marinade and marinate (covered) in the fridge overnight or at least all day.Grill Steak:Heat the gas grill to high heat. Remove the steak from the marinade and lay it on the grill for 2 minutes per side. Then turn down to medium and cook another 7-10 minutes, flipping halfway again, or until an internal temperature of 130°F (using a meat thermometer) for medium-rare, or longer for medium. Remove and set aside to rest on a cutting board with foil draped over the top.Prepare Sauce:Meanwhile, place half of the remaining marinade in a saucepan over medium heat. Bring the marinade to a simmer for 10 minutes, then set aside.Serve:Slice the steak against the grain and serve with a drizzle of additional sauce if desired.Prep Time: 8 hours 10 minutes | Cooking Time: 15 minutes | Total Time: 8 hours 25 minutesKcal: 400 kcal | Servings: 4 servings#healthyeating#icancookchallenge#cooking #yummyfood #fastfood #DinnerIdeas #homecooking #beauty #pasta #comfortfood #recipeoftheday #cheesecake #familydinner #bakery