1 1/2 cups pecans
4 medium carrots (3/4 pound), peeled and sliced 1/4 inch thick on the bias
2 large parsnips (1 pound), peeled and sliced 1/4 inch thick on the bias
1 medium head cauliflower (2 1/2 pounds), cut into 1-inch florets
1 small butternut squash (2 pounds)—peeled, seeded and cut into 1-inch dice
1 pound brussels sprouts, halved
1/2 cup extra-virgin olive oil
1/4 teaspoon freshly grated nutmeg
Kosher salt and freshly ground black pepper
2 tablespoons minced fresh ginger
1/3 cup pure maple syrup