Mix all the ingredients for the Batter until well combined. Add the chicken into the batter.
Heat up a skillet with about two inches of oil. As soon as the oil is fully heated, deep-fry the chicken until golden brown. Transfer the chicken out to a dish
Heat the oil in a frying pan on medium heat. Add the chopped ginger and garlic and stir-fry. Add all the vegetables, follow by the sweet chili sauce, ketchup and chicken. Stir to coat the chicken well with the sweet chili sauce. Finish with spring onion