Wash the potatoes so the skin can be eaten. then cut into wedges.Tip: Try and cut the wedges so they are all around the same size then they will cook evenly.
Preheat a closed barbecue, smoker, or camp oven to 355 degrees F (180 degrees C).
Toss the potato wedges in the oil so they are all evenly coated then spread evenly on a baking tray so they are not touching.
Add to the preheated barbecue and cook for 45 minutes, or until cooked through and brown. Sprinkle with sea salt.
Serve the wedges hot with sweet chili sauce and sour cream.