Wash the beetroot and cook in boiling salted water for about 40 minutes. Then rinse cold and peel. Cut into fine sticks. In the meantime, clean and wash iceberg lettuce and radiccio and cut into fine slices. Wash, quarter and core apples. Cut the fruit flesh also into slices and sprinkle with lemon juice.
For the vinaigrette, mix vinegar and 3 tablespoons of water with salt, pepper and sugar. Whip the oil into the vinaigrette. Arrange beetroot, lettuce and apple wedges on plates and sprinkle with the vinaigrette. Wash the dill, pluck off the flags and sprinkle over them. Serve garnished with lemon and dill flowers