Wash the potatoes thoroughly
Pat them dry
Cut into even slices, wedges, or halves
Boil or microwave briefly until slightly tender
Drain and cool slightly
Toss with oil, salt, and desired seasonings
Preheat the grill to medium heat
Oil the grill grates
Place potatoes on the grill
Grill until charred and tender, turning occasionally
Cook until a fork slides in easily
Remove from the grill
Serve immediately