Festive Sweet And Sour Chicken

• 1 bell pepper
• 1 onion (yellow)
• 120 ml ketchup
• 16 ml cider vinegar
• 9 gr brown sugar
• 7 ml chun king soy sauce
• 5 gr cornstarch
• 5 ml vegetable oil
• 1 package dole pineapple chunks
• 1 package chun king cow mein noodles