Cut the meat into cubes. Beat the eggs and add the flour and cornflour. Season the meat with salt and pepper and mix it with the paste. Deep-fry the chicken cubes in oil.

Put the juice of canned pineapple, vinegar, ginger, water and sugar in a saucepan and bring to the boil. Mix in cup 2 to 3 tablespoons cornstarch and soy sauce until you get a liquid paste. Add this paste with small bits to the sauce to bind it. Put the meat into the sauce.