This recipe features a tender and juicy flank steak served with a creamy and tangy blue cheese sauce. The steak is seasoned with salt and pepper before being grilled or pan-seared to perfection. The blue cheese sauce is made with blue cheese, sour cream, and fresh herbs like chives and parsley, giving it a rich and complex flavor that pairs perfectly with the steak. Serve with a side of roasted vegetables or a fresh salad for a delicious and healthy meal.