5-a-day couscous with chicken thighs

Name: 5-a-day couscous with chicken thighs
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: African
Ingredients: 1 medium courgette , cut into small chunks; 1 medium carrot , cut into small chunks; 1 medium red onion , cut into wedges; 85g mushroom , quartered; handful cherry tomatoes (about 8); 2 garlic cloves , peeled; 1 tbsp olive oil; ½ tsp paprika; ½ tsp dried chilli flakes; 2 bone-in chicken thighs , skin on; 50g couscous; ½ small pack parsley or mint, roughly chopped; drizzle sweet chilli sauce (optional)