If you've ever come across this unusual tip - putting a cork in the pan when cooking octopus - and thought it was superstition or an eccentric chef's trick... know that there's a reason behind this ...

To prepare the guitar spaghetti with octopus ragù, first make sure the octopus is well cleaned, free of eyes and beak. At this point, separate the tentacles and cut them in half (1), then cut them ...