019 Tomato & Date Tagine

2 tbsp olive oil 1 large onion, peeled and finely diced 1 x 400g can of whole plum tomatoes 120g pitted dates, halved 4 cloves of garlic, peeled and finely chopped Small bunch of coriander, leaves roughly chopped, stalks reserved 1tsp ground cumin 1tsp ground coriander 1tsp ground ginger 1⁄2 teaspoon ground cinnamon or 1 cinnamon stick 2 pared strips of unwaxed lemon zest, and the juice of 1⁄2 lemon 1 x 400g cans of chickpeas, drained and rinsed Salt and freshly ground black pepper

150g cous cous