This has many variations, but can be modified to be a mayonnaise substitute if you soak the bread in milk instead of water. Can add cilantro, paprika, or similar substitutes. Dr. Oz is always touting the benefits of walnuts, so try this for a healthier option. Keep in mind that olive oil has ONLY 120 kcal per tablespoon (uh-huh), so go easy. Mix to taste with shredded chicken for a tasty salad.