Cut the potatoes into small french fries, but not too small. I usually get 8-10 fries out of one medium sized potato. You want them to be big enough so you have some nice tender potato in the middle when you are done.
Add potatoes to a bowl along with olive oil, Herbs de Provence, salt and pepper. Mix well until all the potatoes are evenly coated. Pour potatoes in a single layer on a sheet pan keeping the bowl for later. Put sheet pan on middle rack in the oven. Bake for 30-35 minutes or until potatoes are brown and starting to crisp on the outside and tender on the inside.
Remove from oven and pour potatoes back into the bowl (along with any remaining oil on the sheet pan.) Sprinkle parmesan cheese on top and mix well. Serve immediately.