Objective: How to make Sesame Potato Chips

Which of the following solutions is more sound in terms of naive physics reasoning?

+Preheat 2 pieces of parchment paper in a 425 degrees F oven. Toss thinly sliced russet potatoes with olive oil and salt. Spread on the hot baking sheets, sprinkle with sesame seeds and bake 10 minutes.
+Preheat 2 baking sheets in a 425 degrees F oven. Toss thinly sliced russet potatoes with olive oil and salt. Spread on the hot baking sheets, sprinkle with sesame seeds and bake 10 minutes.
Preheat 2 baking sheets in a 425 degrees F oven. Toss thinly sliced russet potatoes with olive oil and salt. Spread on the hot baking sheets, sprinkle with sesame seeds and bake 10 minutes.