Create a double ply foil packet large enough to hold all the ingredients ( Or single ply of parchment/foil wrap ). Leave enough margin to fold it over snugly. Place all the ingredients in the packet.
To feed a crowd do several packets These can be made ahead which is another plus
While the meat is resting, or off to the side, put the packets on the grill for about 20 minutes, turning once
Dump the packets into attractive seving dishes and sprinkle with lots of chopped parsley