The crucial thing with this dish is to buy ripe and tasty avocados, as well as top-notch anchovies in olive oil. If you can't find mature aged Pecorino, then Parmesan will do the trick.
2 large ripe avocados
1 small can of good-quality anchovies in olive oil
120-150g Pecorino romano or Parmesan
4tbsp extra virgin olive oil
Sea salt flakes and freshly ground black pepper
Peel the avocado, cut in half and remove the stone. Slice or cut the avocados into wedges and arrange on serving plates and season lightly.
Drain the anchovies; cut in half lengthways. You can use the oil to dress the anchovies or save it in the fridge for a Caesar salad dressing.
Spoon the olive oil over the anchovies and avocado; with a sharp knife, shave the Pecorino into thin slices and scatter on top.