Everyone's favourite chicken curry

Name: Everyone's favourite chicken curry
Prep time: 15 min
Cook time: 40 min
Total time: 40 min
Yield: 4 portions
Ingredients: 250 g basmati rice; 1000 g water; 300 g brown onion; 4 cm piece fresh ginger; 3 garlic cloves; 2 sprigs fresh coriander; 50 g ghee; 2 tsp ground cumin; 2 tsp ground coriander; 1 tsp garam masala; ½ tsp ground turmeric; 800 g skinless chicken thigh fillet; 400 g canned chopped tomatoes; 3 tsp Chicken stock paste; 50 g natural yoghurt; 2 sprigs fresh coriander; 1 tsp salt; 1 - 2 dried red chillies; 6 cardamom pods