In a large bowl toss the chicken, CauliShoots and red onion with the olive oil, smoked paprika and seasoning. Spread out on a large baking tray and roast for 15 minutes.
Remove the tray from the oven and scatter over the chorizo. Return the tray to the oven and roast for a further 10 minutes.
Take the tray out and add the butter beans. Return to the oven and cook for a final 10 minutes.
Remove from the oven and serve sprinkled with the parsley.