Soy-baked salmon with zingy salsa

INGREDIENTS

• 150 ml low-salt soy sauce
• 75 ml rice mirin or rice wine
• 1 large thumb-sized piece fresh ginger, peeled
• 1 lemon
• 2 limes
• 1 kg side of salmon, from
• , ask your fishmonger, scaled and pin-boned
• 1 red pepper, deseeded and finely chopped
• 2 fresh green chillies, deseeded and finely chopped
• extra virgin olive oil
• a few sprigs fresh mint, leaves picked
• sea salt
• freshly ground black pepper