Sos Jefrilzi.- masakan pakistan

The sauce: 

1/2 a large onion,
roughly chopped 2 garlic cloves,
 chopped 1 green chilli, chopped
1 tin plum tomatoes
1/2 pint of water
1 tbsp ground coriander
 1 tbsp ground cumin
1 tsp turmeric

The meat & veg: 2 or 3 chicken breasts,
diced up 1 red pepper,
chopped 1/2 a large onion,
sliced 2 red chillis (optional)
1 tsp ground cumin
1 tsp ground coriander
1 tsp turmeric
2 tsp garam masala (spice mix)
a handful of fresh, chopped coriander leaves