Make the sauce: combine the sauce ingredients, whisking until slightly thickened. Adjust the seasoning with salt and pepper if needed.
Cook the pasta according to the package in a large pot of salted water. When cook, drain and run under cold water to chill. Transfer pasta to a large bowl.
Toss the vegetables and herbs with the pasta and sauce. Transfer to a large serving dish and garnish with extra basil and parsley. Enjoy immediately or chilled!