Made from a traditional recipe using simple, natural ingredients, including cage-free eggs, vinegar, spices and oils. S&W whole egg mayonnaise is a culinary classic with a rich, creamy taste. S&W uses eggs that are produced from cage-free hens. For this reason, there may be some colour variation in this product from time to time. Founded in 1896 by three Californian grocery wholesalers, S&W whole egg mayonnaise has grown from a simple idea to become a household name — synonymous with excellence and taste.