
2 medium red beets (about 10 ounces), peeled and cut into ¾-inch pieces
5 parsnips (about 1 pound) peeled and cut into ¾-inch pieces
3 medium sweet potatoes (about 2½ pounds), peeled and cut into ¾-inch pieces
3 large carrots (about 10 ounces), peeled and cut into ¾-inch pieces
3 to 3½ tablespoons extra-virgin olive oil
1 teaspoon coarse kosher salt
½ cup pure maple syrup
2 tablespoons salted butter, cut up
1 tablespoon Dijon mustard
2 teaspoons Chinese five-spice powder
1 teaspoon finely chopped fresh sage, plus additional sprigs for garnish
Fresh rosemary, for garnish