In a small bowl, combine Parmesan cheese, tarragon leaves, paprika, white pepper, and a dash of garlic powder and onion powder. Preheat oven to 350 F (175 C). Spray a baking dish with vegetable cooking spray. Spray chicken with vegetable cooking spray and then roll in Parmesan cheese mixture. Place coated pieces in baking dish. Cover with foil and bake about 20 minutes. Uncover and continue baking 10 minutes until lightly browned.