Preheat oven to 400 degrees F.
In a large bowl, add the carrots, Brussels sprouts, red bliss potatoes, parsnips and sweet potatoes. Toss well with olive oil, herbs, salt and pepper.
Spread the vegetables evenly on a large baking sheet. Place on medium rack in oven and bake for 35 to 40 minutes.
Recipe courtesy Giada De Laurentiis