Cut some circles out of the red pepper firstly. Cut the chili green pepper, purple sweet potato and the rest of the red pepper into small dices.
Bring some clean water to a boiling in a wok. Add all the ingredients cut in the step list above to cook for around 2 minutes. Move out and set aside.
Get a pan; add leftover rice to stir fry until the rice grains separated from one and another. Move the rice out and put aside.
Heat up ½ tablespoon vegetable oil in pan and add the ingredients cooked in; stir fry around 1 minute. Get the rice back to pan. Add soy sauce, salt and chopped shallot; Mix thoroughly.