Preheat the oven to 400 degrees.
Prepare a baking sheet with a silicone baking mat or parchment paper.
Transfer minced garlic, vegetables, and Italian seasoning to a bowl and bowl to coat.
Lay the vegetables on the baking sheet in a single layer.
Roast for 25 minutes.
In the meantime, cook the pasta according to the package directions.
In a separate bowl, whisk together the cashew mayo, maple syrup, vinegar, dijon mustard, and dill. Set aside.
Drain and rinse the pasta in cold water to cool quickly.
Allow the roasted vegetables to cool before adding the pasta.
Transfer the cooled pasta and roasted vegetables to a bowl.
Add the white beans if using (optional)
Fold in the dressing.
Cover and refrigerate until ready to serve.
Garnish with parsley.