Bring a large quantity of salted water to the boil. Use a ratio of 1 gal (4 L) water to 1 lb (2 kg) pasta.
Drop in the pasta, stir well, and boil to al dente.
Drain in a colander.
Immediately transfer the pasta to a hotel pan and mix it with some of the dressing to keep it from sticking together (see safety sidebar regarding mixing warm ingredients with mayonnaise dressing).
Open-pan cool, and then chill.
Add the remaining ingredients and dressing.
Taste and correct the seasoning.
Refrigerate and allow the salad to mellow for the specified time, usually about 1 hour.