Crunchy Beetroot Slaw with Grilled Chicken

Ingredients

• 2 skinless chicken breasts, flattened slightly (approx. 500g)
• 2 tbsp olive oil (30ml)
• Salt and black pepper, to taste
• 1 red eating apple, peeled and cut into fine matchsticks
• 1 tbsp lemon juice (15ml)
• 1 raw beetroot, peeled and cut into matchsticks (approx. 150g)
• Leaves from the beetroot (optional), washed
• Handful of rocket leaves (approx. 30g)
• 50g toasted hazelnuts, very roughly chopped
• 2 tbsp red wine vinegar (30ml)