The normal thing to do in an Italian home (rather than a restaurant,
about which I don't know) is to have the sauce ready in a pan when the
pasta is cooked. Drain the pasta very quickly (so that quite a lot of
the water still clings to it) and put it straight into the pan where
the sauce was prepared. Stir, so that they mingle, and serve
immediately.

Lazarus

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Remover the rock from the email address