
Place steak in a shallow glass baking dish. Rub
with oil on each
side. Sprinkle with oregano, salt and pepper. Sprinkle
orange juice,
lime juice, and vinegar over the steak. Cover and
refrigerate
overnight for best flavor or several hours, turning
occasionally.
To cook, bring meat to room temperature. Prepare
and preheat charcoal
grill (or gas grill). Drain meat, reserving marinade.
Place steak on
grill. Top with orange slices. Occasionally spoon
reserved marinade
over steaks as they cook. Grill 3-4 minutes on
each side, or until
medium-rare. Cook longer if desired. Remove orange
slices to turn
steak. Replace orange slices on top of steak.
