This recipe features a tender and juicy flank steak served with a rich and flavorful mushroom sauce. The steak is seasoned with salt and pepper before being grilled or pan-seared to perfection. The mushroom sauce is made with mushrooms, shallots, garlic, and beef broth, giving it a deep and complex flavor that pairs perfectly with the steak. Serve with a side of roasted vegetables or mashed potatoes for a delicious and hearty meal.