Courtesy of Tamara Green of The Living Kitchen.
Preheat oven to 250ºF (120ºC).
Fold the nori sheets in half, open them back up and very lightly brush with water.
Fold the nori sheet back up and lightly brush the top with sesame oil and sprinkle with sesame seeds and chili flakes.
Bake in the oven for 10 minutes.