Heat the oil in non-stick pan and add in onion, peppers and 3 tbsp of water, stir and fry for about 5 mins.
Add in tomato puree and fry for about 30 secs.
Then add in rice and stir constantly until rice is coated with tomato puree.
Transfer the rice mixture in to a rice cooker, add in vegetable stock , mix well, season with salt and cook according to your rice cookers instructions.
mins before your rice finishes, add in the sweetcorn (but do not mix) and then cover and continue cooking till done.
Serve with some roast sweet potato, grilled fish or meat and chilli sauce to your taste.