Clean the octopus.
Mix together all the ingredients for the first marinade and keep octopus in marinade at least 20 minutes or if you have enough time 2 – 4 hours.
Roast the marinated octopus on grill pan, cut in smaller pieces, add salt and pour over with the second marinade.
Boil cabbage and fennel briefly in salted water and drain.
Serve octopus with boiled cabbage and fennel and sliced avocado.
Freeze fresh octopus so it is tasty and tender when prepared.