1. Just cover potatoes with water in a dutch oven.
2. Boil then cook for 2-3 minutes til tender crisp.
3. Drain.
4. Put in single layer on paper towels.
5. Brush both sides with oil then sprinkle with thyme and salt.
6. Sometimes if I'm in a hurry I will just dump it all in a ziploc bag and shake, but you will need a little more oil to coat the potatoes this way.
7. Preheat gas grill and reduce to medium high.
8. Place slices on the grill rack directly over heat, for easier handling I use a perforated grill pan like those for shrimp, etc.
9. Cover grill and cook for 15-20 minutes until browned, turning occasionally.
10. Remove from grill and let stand on paper towel lined baking sheets for 8-10 minutes.
11. The will crisp as they stand.