Roast sesame seeds in a pan without fat while turning, remove. Wash the meat, dab dry and cut into fine strips. Heat 2 tablespoons of olive oil in a large frying pan. Fry the meat strips for 2-3 minutes, turning them over. Season with salt, pepper and chilli flakes. Add the sauce, mix well and remove from the heat.
For the salad, wash the cabbage and cut into very fine strips. Peel carrots, wash if necessary and grate coarsely. Halve cucumber lengthwise, remove seeds and cut into fine halved slices. Clean, wash, drain well, quarter and cut into fine strips. Wash the coriander, shake dry, pluck the leaves from the stalks.
For the vinaigrette, mix lime juice, vinegar, sugar, salt and pepper well. Stir in 4 tablespoons of olive oil and sesame oil. Mix cabbage, carrots, iceberg lettuce and cucumber well with the vinaigrette. Mix in the coriander. Arrange salad and meat on plates, sprinkled with sesame seeds. Garnish with slices of lime.