Clean and wash the leek, cut it into pieces of about 20 cm lengthwise and halve lengthwise. Cook in boiling salted water for 8 minutes, drain well. Place on foil in slightly flaky form to a 30 cm wide plate. Drain mozzarella and cut into thin slices. Mix mayonnaise and horseradish and spread on the leek. Cover the bottom 2/3 with turkey breast and mozzarella, season with salt and pepper. Peel and wash the carrot.
Cut lengthwise into flat slices. Then cut these into long strips. Place the carrot strips and chive stalks widthways on the bottom end of the leek. Roll up firmly with the help of the foil. Wrap in foil and chill for about 30 minutes. Then cut into pieces. Arrange decorated with small balls of avocado and pink berries