This is unexpectedly easy to shop for as well as easy to cook. Baby squid (better here than tougher, grown-up, windsock-sized ones) can be found, frozen, in 500g boxes, to be stashed in your freezer and thawed as needed. And while any recipe that involves a pestle and mortar can seem like too much kitchen faffing when you get back from work, let me tell you that a bit of murderous bashing can be a great stress-relieving exercise. But if you're not convinced (and believe me I understand: until recently I had only to read the words 'pestle and mortar' to be filled with dread and intimidation) you can always use one of those little electric coffee-bean or spice grinders for blitzing the salt and pepper. Already-ground pepper and fine salt is not an impossible option; I won't pretend they'll be as good, but as long as you don't use that school-pepper-container dust - more sneeze-powder than aromatic spice - it'll be just fine.
Recipe posted by Nigella