Objective: To bake a potato,

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

Choose from:
+ warp the potato in plastic, poke some holes in it, then place in the oven at 400 degrees until done.;
+ warp the potato in aluminum foil, poke some holes in it, then place in the oven at 400 degrees until done.;
warp the potato in aluminum foil, poke some holes in it, then place in the oven at 400 degrees until done.