Looking for an easy recipe for this holiday weekend? Try this Southern Style Pasta Salad! It's flavorful and not loaded with mayonnaise. What makes this ham macaroni salad Southern? It starts with a nod of pimento cheese. You make pimento cheese with cheddar cheese and diced pimento peppers. Both of those are in this salad. Sweet pickle cubes, another popular southern item, also goes in the mix. The dressing could not be simpler. Mayonnaise is not involved! What binds the colorful bits of this salad together is sour cream and mustard. You only need a little to bring together ham, macaroni, cheese, onion, pickle, pimento, and celery to make a salad perfect for lunch or a picnic.