Chicken Shashlik Traybake

• 800g Skinless boneless chicken thighs
• 1 medium red onion - cut into 8 wedges
• 3-4 whole red chillies
• 1 large handful of fresh spinach

Marinade

• 2 tablespoons Greek Yogurt
• 3 cloves crushed garlic
• 1 thumb sized piece of ginger grated
• 1 red chilli - finely chopped (optional)
• 2 teaspoons honey
• Juice 1/2 lemon
• 4 teaspoons of Tandoori spice mix

Or

• 1/2 teaspoon ground cinnamon
• 2 teaspoon ground cumin
• 1 teaspoon ground coriander
• 1 teaspoon smoked paprika