Member's Mark Foodservice Extra Heavy Mayonnaise offers superior quality and taste. Our mayo has a thicker consistency, just like at your favorite restaurant. This bulk one-gallon container is perfect for foodservice businesses, restaurants, caterers or any large families and groups. Use it on sandwiches or as a base ingredient for dressings, potato salad, aioli, dips, mashed potatoes, deviled eggs and slaws. It's a kitchen staple that you can use on practically anything.