Mediterranean octopus -- most widely available on the East Coast -- is considered unsustainable by the Monterey Bay Aquarium's Seafood Watch. Hawaiian and Californian octopus may be used, however.

Open the cans and drain the octopus well. Keep the olive oil. If the octopus is cut into large pieces, cut it into bites. In a medium bowl, mix the octopus with 4 tablespoons of canned olive oil, ...