Since I'm getting used to this video stuff I may be leaving out my 'healthified' tips so here goes:
Olive Oil vs. Butter: it's true parsnips love butter but your arteries and arse may not appreciate it as much. Olive oil contains the "good fats" and works just fine on those taste buds.
Honey vs. Sugar: parsnips are also partial to sugar but as we all now that's a no-no as much as possible. Lean towards honey, agave, or even pure maple syrup to get the effect but without using refined sugars. Parsnips tend to be sweet on their own so you'll be amazed how easy it will be not to use sugar.
Curry Powder: bloody good stuff on 'em!