1 Box Rotini
1 to 1 1/2 Cup mayonnaise (light or regular)
1/4 Cup red wine vinegar
1/4 Cup sugar
3 Cups chopped, raw broccoli (about 1-inch pieces)
1 1/2 Cups chopped, raw cauliflower
2 Cups Shredded Carrots
3/4 Cups finely diced Celery
1 Cup shredded Cheddar cheese
1/2 Cup roasted, unsalted sunflower seeds
1/2 Cup crumbled, cooked bacon
1/4 Cup diced red onion or sliced green onion
Cook pasta according to package directions; drain. Rinse with cold water until completely cooled; drain again. Place in large bowl.
Meanwhile, for dressing, in small bowl, whisk together mayonnaise, vinegar and sugar; set aside.
Add broccoli, cheese, sunflower seeds, bacon and onion to pasta. Toss to combine. Add dressing; toss until coated. Refrigerate, covered, until chilled, at least 1 hour. Let stand at room temperature 15 minutes before serving.