Italian Roasted Whole Chicken

whole chicken, giblets removed

sea or kosher salt and fresh black pepper

lemon, zest it first then cut into wedges

small onion, quartered

garlic, crushed

couple sprigs fresh parsley or another herb

butter, at room temperature

olive oil

Italian seasoning, plus extra for sprinkling

lemon zest, just the top yellow part not the white pith

garlic powder