Tuna & apple salad with nahm jim

Ingredients

• 2x 150g Tuna steaks
• 1 Lebanese cucumber, deseeded and diced
• 1 Punnet cherry tomatoes, halved
• 2 Apples, julienned
• 3 Spring onion, finely sliced on an angle
• 1 Avocado, flesh removed, diced
• 1 Bunch mint, leaves picked
• Handful fresh coriander leaves, torn
• 1 Tablespoon olive oil
• Nahm Jim:
• 1 ½ Tablespoons fish sauce
• 1 Tablespoon brown sugar
• Juice of a lemon
• 1 Garlic clove, finely grated
• 1 Long green chilli, deseeded and finely sliced
• Small handful coriander roots, stems and leaves, roughly chopped