FInely chop and stir fry onion in a small amount of vegetable oil. Cut the chicken into small cubes and stir fry. Sprinkle with about 1 tsp of cumin. Finely chop the mushrooms and add to the chicken. Add 50ml hot water. Add the eggplant cut into cubes. When the water has evapourated add chickpeas and continue stir frying for 5 minutes. Top with the coarsely chopped parsley.