Oven-Baked Barbecue Chicken

all-purpose flour

boneless skinless chicken breasts, each weighing .75 to 1 pound (about 1.75 to 2 pounds chicken total)

extra-large sweet potato, peeled and sliced into 1/2 inch rounds or half moons

large head broccoli, trimmed and cut into large florets

barbecue sauce

apple cider vinegar

olive oil

salt and freshly ground black pepper,