Easy Sweet and Sour Chicken

vegetable oil

small chicken breast fillets, cut into large cubes

brown onion, cut into large cubes

large carrot, peeled and sliced thickly on the diagonal

white wine vinegar or apple cider vinegar

soy sauce

sugar

ketchup (tomato sauce)

vegetable or chicken stock

red capsicum (bell pepper), cut into large cubes

green capsicum (bell pepper), cut into large cubes

pineapple (fresh or tinned), cut into large chunks

cornflour mixed in a little water (or pineapple juice if you are using tinned pineapple)

coriander (cilantro), finely chopped