One-Tray Honey Lime Sriracha Chicken

• 800 g chicken thighs fillets
• 1 large sweet potato, cut into small pieces
• 3 corn cobs, halved
• 1 capsicum (red pepper)
• 3 tbsp honey
• 3 limes, 2 juiced, 1 to serve
• 2 tbsp Sriracha
• 0.25 cup extra virgin olive oil
• 1.5 avocado, to serve (optional)
• 1 cup coriander (cilantro), fresh to serve (optional)