Cut the chicken wings in two pieces. Put in a bowl and add soy sauce. Mix and marinate for a few minutes.
Heat cooking oil in a pan and fry the chicken wings until slightly brown.
Place chicken pieces in wok or pan. Add coca-cola drink, oyster sauce, garlic, onion, salt, pepper and ketchup.
Cook on medium heat, turning pieces often. It will look rather gross when if first starts cooking.
Eventually, the liquid will evaporate, and will form a glaze on the chicken.
Cook until most of the liquid is gone.
Be very careful to keep a close eye on the chicken, as towards the end the liquid evaporates quickly and it can burn very easily. Serve and garnish with lettuce and sliced cucumber.
It takes approximately 15 to 20 minutes to cook.