Heat the oil in a large pan and fry the onion and peppers for 10 mins over a medium heat until the onion is golden brown. Add the garlic, chilli and spices, fry for approx. 1 min. Pour in the tomatoes, both cans of beans, 50ml water, then add the sugar and season. Simmer, stirring regularly, for 15-20 mins until thickened.
Cook the rice following pack instructions. Serve the chilli on the rice and scatter over the coriander.