I've been making this for years. I usually just "chop and dump", so I've gotten the proportions as close as I can, I think. Add more or less mayo, if you like, because I usually don't measure. The same with the tarragon and dill weed. Add more if you like it, less if you don't.
- Cook pasta according to package directions;drain and rinse with COLD water; drain again.
- In a large bowl, combine all ingredients.
- Chill for several hours.