Try this delicious Tako Poke recipe.
To clean fresh octopus, turn head inside out and remove ink sac, innards and mouthparts; rinse. To tenderize fresh octopus, freeze, pound or lomi (massage). To cook octopus, in a medium pot, bring enough water to cover octopus to a boil. Lower octopus into boiling water, return water to a rolling boil, then cook 2 or 3 minutes. Drain, plunge into cold water and slice into thin slices. In a bowl, combine all ingredients and mix well. Makes 8 servings, each 1/2 cup.