Slice the tomatoes coarsely. Clean the limpets thoroughly in salted water, then drain them. Heat the oil in a pan, add the 2 peeled and lightly crushed cloves of garlic add the tomatoes season with salt and pepper. Simmer for 1° minutes, add the limpets and switch the heat off after a few minutes. In the meanwhile cook the pasta al dente, drain it and toss it in a soup tureen, mix it with the limpet sauce, sprinkle with the parsley, cleaned and chopped very finely earlier, and serve.