Method:

Chicken

• Cut the chicken into large cubes and season with salt and pepper.
• Whisk egg whites in a bowl and add flour and water.
• Add the chicken cubes to the mixture and combine well to cover.
• Heat oil in a frying pan over medium heat, add the chicken and fry until golden.
• Place the chicken on a paper towel to remove excess oil.

The Sauce

• Heat oil in a sautéing pan over high heat, then add onion, garlic, and ginger and stir for 3 minutes.
• Add the remaining vegetables, stirring for 3 minutes until just tender.
• Cut pineapples into medium-sized cubes and set aside.
• Mix corn starch with pineapple juice and add half the amount of soy sauce.
• Add the vinegar, remaining soy sauce and ketchup to the vegetable mixture, and stir-fry until it begins to boil.
• Add the starch mixture to the vegetables while continuing stirring until the liquid begins to thicken.
• Add chicken and pineapple chunks to the vegetables.
• Serve with rice or noodles.