Clean the iceberg lettuce, cut into bite-sized pieces and wash. Sort the rocket, shorten thick stems. Clean, wash and halve tomatoes. Lightly roast pine nuts in a pan without fat. Peel off the cheese with a peeler.
Mix vinegar, salt, pepper and sugar. Beat the oil into it. Mix iceberg lettuce, rocket and tomatoes with the vinaigrette. Just before serving, sprinkle with pine nuts and parmesan