Grilled or stewed, either as an antipasto or a main course (or occasionally, even in a pasta sauce)
Sometimes called piovra (a Norman French word), though in everyday speech that is more often a reference to the many-tentacled Mafia.
Also spelled polipo. Small ones are polipetti.
polpo alla luciana: stewed in tomato, garlic, parsley and capers. A traditional Neapolitan dish.
polpi in purgatorio: in a very spicy sauce (Abruzzo and Molise).