04Remove the steak from the marinade and put on the grill. After 5 minutes turn the steak over to sear the other side, about 12 minutes total cooking time, for medium-rare. Transfer the steak to a cutting board and let rest for 10 minutes before slicing.05Cut the bread lengthwise and toast on the grill.06Brush the remaining reserved marinade on both sides of the bread. Arrange the steak on the bottom half of the bread, then cover with the peppers and onions. Top with the cheese and cover with the other half of the bread. Cut into 4 pieces and serve.