Heat the oil in a pan , add in the onion and garlic , sauté until softened . Add in the harissa paste or spice mix , stir well to combine
Add in the chickpeas , tomatoes and tomato purée, cook for 5 minutes .
Now add in the chicken and heat through for about 10 minutes , added my water or stock of needed . Grate in the lemon zest .
Serve sprinkled with the chopped mint and cous cous
Servings 1