Middle Eastern Chicken Traybake

Name: Middle Eastern Chicken Traybake
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: Middle Eastern
Ingredients: 2.2 lb boneless skinless chicken thighs; 1 tsp ground cumin; 1 tbsp za'atar spice; 1 tbsp harissa paste; 1 tsp olive oil; 2 large carrots, sliced in lengthwise; 1 large zucchini, chopped; 2 red onions, quartered; 4-5 clove garlic, skin on and crushed; 14 oz can chickpeas, drained; 1 heaped tbsp harissa paste; 1 heaped tbsp za'atar spice; 1 tbsp ground cumin; sea salt and black pepper; 1.7 fl oz water; large handful of fresh cilantro, chopped; 6 tbsp mint yogurt, for serving (or sub Greek yogurt)