Dijon-Maple Chicken with Brussels Sprouts and Butternut

Olive oil spray (like Misto or Bertolli)

Dijon mustard

pure maple syrup

reduced-sodium soy sauce

large bone-in chicken thighs (6 1/2 ounce each, skin removed and fat trimmed)

skinless chicken drumsticks (3 1/2 ounce each)

kosher salt

Freshly ground black pepper

Brussels sprouts (trimmed and halved)

butternut squash (peeled, seeded, and cut into 3/4-inch cubes)

sprigs of fresh thyme

olive oil