Pre-heat the oven to 200°C/Fan 180°C/Gas Mark 6. Chop the chicken into medium size chunks and put the chicken pieces into a large baking dish or roasting tin.
Shred the spinach leaves and toss in with the chicken.
Put the chickpeas, tomatoes, lemon juice, cinnamon, sweet paprika, garlic granules, olive oil and onions into a large bowl. Season with some salt and pepper.
Pour the vegetable and spice mixture over the chicken and spinach and stir through in the roasting tray.
Bake in the oven for 35 minutes, and serve with cous cous.