Chicken and chickpea tagine

Name: Chicken and chickpea tagine
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: Moroccan
Ingredients: 9.20 gm olive oil; 1 brown onion, coarsely chopped; 2 garlic cloves, finely chopped; 1 x 400g can diced tomatoes; 500ml (2 cups) chicken stock; 8 chicken thigh cutlets; 165g (1 cup) dried apricots; 7.50 gm ground cumin; 2.50 gm ground cinnamon; Large pinch of saffron threads; 1 x 400g can chickpeas, rinsed, drained; 55g (1/3 cup) pitted black olives; 3 tsp finely grated lemon rind; Fresh coriander sprigs, to serve; Cooked couscous, to serve; Lemon wedges, to serve