In a large bowl, combine mayo and seasoning, set aside.
Cook the pasta according to package directions. Drain and transfer into the large bowl with the mayo and seasonings.
To the bowl, add the cauliflower, peas and carrots, and toss to combine.
Chill:
Cover and refrigerate for approximately 2 hours or until ready to serve. Store in the refrigerator for up to 3 days.
Pack for lunch:
Place the pasta salad inside your favorite lunch container. Pack along with your favorite lunch sides inside a lunch bag with an ice pack, if necessary.