"Everything is better bathed in butter...."
(3-lb.) whole chicken
Kosher salt
Freshly ground black pepper
baby potatoes, halved
large head broccoli, cut into florets
large red onion, cut into wedges
cherry tomatoes
extra-virgin olive oil
Pinch red pepper flakes
melted butter
cloves garlic, minced
Italian seasoning
Spinach, for serving
thinly sliced basil