Pick the meat from the crab claws and set to one side
Bring a large pan of water to the boil and salt well
Add the pasta and cook according to the packet instructions until al-dente
Meanwhile, grate the cheese and finely chop half of the parsley
Mix the cheese with a tablespoon of luke warm water to make a thick slurry or paste
Heat the oil in a deep skillet or saute pan
Add the pepper and heat gently for a minute or two
Drain the pasta, reserving half a cup of cooking liquid
Tip the pasta into the skillet along with the cooking liquid and stir to combine with the oil and pepper.
Add the cheese mixture and keep stirring over a low heat till the sauce thickens
Stir through the chopped parsley and the crab and cook for a further minute
Check and adjust the seasoning, adding salt and more pepper to taste
Serve garnished with the remaining parsley leaves and more cheese if you like