Charlotte's Chicken & Vegetable Traybake

Ingredients

• 8 chicken thighs (skinless)
• 100g mushrooms (quartered)
• 200g vine cherry tomatoes (keep on the vine)
• 1 courgette (sliced)
• 1/2 orange pepper (sliced)
• 1/2 yellow pepper (sliced)
• 1/2 red pepper (sliced)
• 1 red onion (cut into chunks)
• 2 cloves garlic (finely chopped)
• 1 tsp dried Italian mixed herbs
• 1 tbsp olive oil
• 140g couscous
• 1 stock cube (chicken)
• 1 & 1/2 lemons (juiced)
• 1 lemon (quartered into wedges)
• Handful of parsley (chopped)