Halloumi and Mediterranean veg traybake

Name: Halloumi and Mediterranean veg traybake
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Cuisine: Mediterranean
Ingredients: 4 courgettes cut into small chunks; 1 red onion cut into slim wedges; 3 large cloves garlic skins left on; 3 tbsp olive oil; 300g cherry tomatoes; 250g halloumi sliced; ¼ tsp cumin seeds; a few pinches dried chilli flakes (optional); flatbreads to serve; hummus and hot sauce to serve