Salt cod soup (Zuppa di baccala)

INGREDIENTS

• 310 g salt cod, or 600g fresh cod, haddock or monkfish fillets, from
• , ask your fishmonger
• 1 white onion, peeled
• 2 small carrots, peeled
• 2 sticks celery, trimmed, pale green inner leaves reserved
• 2 cloves garlic, peeled
• 1 small bunch fresh flat-leaf parsley, stalks and leaves separated
• extra virgin olive oil
• 1 small dried red chilli, crumbled
• 2 x 400 g good-quality tinned plum tomatoes
• 425 ml light organic chicken stock
• sea salt
• freshly ground black pepper
• juice of 1 lemon