Ratatouille chicken

Ingredients

• 1 red onion
• 1 large red pepper
• 2 skinless chicken breasts
• 1 courgette
• 1 small aubergine
• 3-4 tbsp olive oil, plus extra-virgin olive oil for drizzling
• 150g Pomodorino or cherry tomatoes, halved
• a pinch of sugar and dried chilli flakes
• a pinch of dried chilli flakes
• a large handful of basil leaves, torn