Moroccan Harira Soup with Chicken

Name: Moroccan Harira Soup with Chicken
Prep time: 20 min
Cook time: 40 min
Total time: 40 min
Yield: 6 portions
Ingredients: 4 oz yellow onion; 3 oz carrots; 3 oz celery; 1 oz olive oil; 2 tsp ground cinnamon; 2 tsp ground coriander; 2 tsp ground cumin; 2 tsp ground turmeric; 28 oz canned crushed tomatoes; 10 oz water; 3 oz red lentils; 2 oz harissa paste; 2 tsp chicken stock paste; ½ tsp salt; &frac18; tsp sugar; 16 oz chicken breasts, skinless, boneless; 15 oz canned chickpeas; cilantro leaves; 6 tbsp plain yogurt