Cook the pasta noodles according to the package directions.
When the pasta is finished, rinse it in cool water and place it in the refrigerator to cool. (You can do this step the night before or the day before.)
Whisk together the ingredients for the sauce and set it aside.
Chop the vegetables and parsley into bite-sized pieces.
Fold the sauce into the cooled pasta.
Toss the veggies and pasrly with the creamy pasta.
Serve or refrigerate.