Preheat oven to 400 degrees
Using a baking sheet, line with foil and spray with non-stick cooking spray
In a large bowl, toss the peeled parsnips with olive oil, salt, and pepper
Spread onto the foil lined baking sheet and bake for about 20-25 minutes
Turn the parsnips over and bake for another 12-15 minutes or until golden brown
Using another mixing bowl, combine the parsley, parmesan, and truffle oil. Add the parsnip fries and toss