How To Make Sweet And Sour Chicken

You will need
½ kg chicken breast ¼ cups (60ml) corn starch 1 green pepper 4 pineapple slices 1 medium onion Sauce: 3 tbsp vinegar 4 tbsp sugar 4 tbsp ketchup 5 tbsp water 2 tsp corn starch ½ tsp sesame oil 2- 4 cups corn oil , for frying large wok or skillet large chef knife strainer