Step 1

Cook pasta according to package directions. Drain and rinse in cold water. Drain again.

Step 2

Place pasta in a large bowl and add the broccoli, cheese, sunflower seeds, bacon and onion.

Step 3

In a small bowl, whisk together the mayo, red wine vinegar, sugar and salt. Pour over the salad and toss to coat.

Step 4

Refrigerate, covered, until chilled, at least one hour.

Step 5

Serve.