The Open Steak Sandwich with Caramelised Onion Relish is a hearty and delicious meal that features tender steak, caramelized onions, and tangy relish. The steak is seasoned with salt and pepper, then grilled to perfection. The caramelized onions add a sweet and savory flavor, while the relish provides a tangy and zesty kick. This sandwich is perfect for a satisfying lunch or dinner and can be customized with your favorite toppings.