One Tray Sticky Chicken with Fried Rice

• 500 g steamed brown rice (cooked!)
• 2.5 cup frozen peas, corn and carrot mix
• 0.5 cup kecap manis (sweet soy sauce)
• 2 tbsp fresh ginger (or ginger paste)
• 2 tbsp sriracha
• 500 g chicken thigh fillets
• 0.5 cup spring onion, chopped
• 1 tbsp toasted sesame seeds (optional)