In a large Dutch oven, heat 2 tablespoons of the olive oil over high heat until almost smoking. This octopus can be eaten exactly as shown as an appetizer or as an entree, or it can also be used chopped into pieces with other ingredients as part of a delicious seafood salad. Grilled Octopus with Fagioli Marinati and Spicy Limoncello Vinaigrette. Use quick pressure release, remove the octopus, and drain. Bring to a boil, seal, and when pressure is reached, lower the heat and cook for 10 minutes. To serve your cooked octopus, simply drizzle with a little extra virgin olive oil, or a light citrus vinaigrette as is shown in the photo. Place the octopus in the pressure cooker with enough water to cover. I must say this preparation created the most tender octopus we have ever made yet, so I think I will continue with this unorthodox method of tenderizing the octopus! For some reason, adding a wine cork to the cooking pot is also said to tenderize octopus so this is a step we also include as well. Instead, I double bagged the octopus and ran it through the spin cycle in my washing machine. Heat oil in a frying pan or on the grill. Warm the smashed white beans and spread half a cup evenly over each tostada shell. The octopus is already cooked, so just try to char the outside and warm it through. Alternatively, similarly prepare the octopus in the broiler. Slice the octopus or cut the tentacles in half, depending on what the recipe calls for. Grill octopus on a preheated grill over very high heat until charred and crispy on the outside. If using frozen octopus, soak the package in water at room temperature for 30 minutes. Since we live in a downtown condo here in Toronto, beating octopus against rocks just wasn’t feasible. Take the octopus out of the refrigerator and let it come to room temperature. Serve with lemon wedges, hot or at room temperature, garnished with parsley.We are always looking for new ways to cook octopus, and I recently read that fish mongers in Italy beat the octopus against the rocks by the sea to tenderize it before cooking it.