Shred the cabbage and place it in a deep salad bowl.
Cut the cucumber into rings.
Peel the avocado. Using a wide knife, cut the avocado lengthwise to the pit, hold the berry with both hands and twist the two halves in opposite directions to separate one half from the pit. Using a tablespoon, separate the flesh from the skin. This should be easy with a ripe fruit. Cut the avocado into half rings.
Mix all ingredients in a deep salad bowl, season the salad with sunflower oil and sprinkle with sesame seeds. Add salt and pepper to taste and mix all ingredients thoroughly again. Enjoy!