You may grill many oysters in their shells right on the coals without toughening them, but if you have the smaller Kumamoto or Olympia oysters, put them on a piece of foil before placing them on the grill (and double the number per serving).

Prepare a hot grill fire. Scrub well:

Place them on the grill grate, cupped side down. Grill until the shells pop open. Remove carefully, so as not to spill the juices. Serve with: