Spring poached chicken

INGREDIENTS

• 2 kg higher-welfare chicken
• 1 handful fresh flat-leaf parsley
• 4 fresh bay leaves
• sea salt
• freshly ground black pepper
• 2 handfuls new potatoes, scrubbed
• 2 handfuls baby carrots
• 2 handfuls baby turnips or radishes
• 1 bulb fennel, quartered, herby tops removed and reserved
• horseradish, freshly grated
• 1 jar hot creamed horseradish, optional
• 285 ml crème fraîche
• 2 handfuls fresh peas
• 2 handfuls broad beans
• 1 colanderful spinach or Swiss chard
• olive oil
• 1 small handful inner celery leaves