Objective: How do you cook french fries so that you have fewer calories?

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

Select from the following. (a). Put them in a shallow pan, spread them out, and bake in the oven for 10 to 20 mins at 400 degrees.. (b). Put them in a shallow pan, spread them out, and bake in the oven for 50 to 90 mins at 400 degrees..
(a).