Wash the chicken filet, dab dry and cut into thin slices. Marinate in 2 tablespoons of soy sauce for about 10 minutes. Clean the cabbage, cut in half and cut the stalk out wedge-shaped. Wash the cabbage, drain and cut into strips. Drain the pineapple, collect the juice. Heat the oil in a wok or large pan. Fry the meat in it until crispy brown and take it out.
Cut the pineapple into pieces and fry in the frying fat. Add summer vegetables and sauté for approx. 10 minutes, turning occasionally. Add cabbage and fry for another 5 minutes. Fold in meat. Mix soy sauce, vinegar, ketchup and starch and stir in. Bring to the boil briefly and season to taste with pineapple juice, salt, pepper and Sambal Oelek