The original. Since 1896. Marzetti Slaw Dressing is one of the original dressings created in 1896 by Teresa Marzetti for her T. Marzetti Restaurant, one of the first Four Star Restaurants in the Midwest. Today it's still America's favorite slaw dressing. Marzetti Slaw Dressing can be used to make a variety of great-tasting products, including potato salad, macaroni salad and many other exciting recipes. Made in U.S.A.