Sheet Pan Chicken with Roasted Fall Vegetable

Name: Sheet Pan Chicken with Roasted Fall Vegetable
Ingredients: 1 roasting chicken, about 3 pounds; 2 teaspoons kosher salt; 1/4 teaspoon freshly ground black pepper; 1 lemon, cut into quarters, optional; 1 medium butternut squash, peeled, seeded and cubed (or buy it already cubed); 1 pound Brussels sprouts, large ones cut in half; 1 pound new potatoes; 1/2 pound shallots, peeled and large ones cut in half; 1-2 tablespoons olive oil; 3/4 teaspoon kosher salt; 2 teaspoons minced fresh thyme