20 Minutes
25-35 minutes
1 pound carrots, peeled
1 pound parsnips, peeled
1 large sweet potato, peeled
1 small butternut squash, peeled and seeded (about 2 pounds)
3 tablespoons good olive oil
1 1/2 teaspoons kosher salt
1/2 teaspoon freshly ground black pepper
2 tablespoons chopped flat-leaf parsley