Preheat oven to 450 degrees F. In large bowl, toss all ingredients except parsley and rosemary sprig until evenly mixed.
Divide mixture between two 15 1/2- by 10 1/2-inch jelly-roll pans.
Roast vegetables on 2 oven racks 40 minutes or until tender and browned, stirring occasionally and rotating pans between upper and lower racks halfway through roasting time.