Crispy barbecued side of salmon with cucumber yoghurt

INGREDIENTS

• 1.5 kg side of salmon, from
• , ask your fishmonger, scaled and pin-boned
• zest and juice of 1 lemon
• 1 bunch fresh herby fennel tops or basil, leaves picked and finely chopped
• olive oil
• sea salt
• freshly ground black pepper
• 1 cucumber, peeled lengthways at intervals
• 300 ml fat-free natural yoghurt
• 1 fresh red chilli, deseeded and finely chopped
• 1 small bunch fresh mint or oregano, leaves picked and chopped
• extra virgin olive oil