Food & Cooking Recipes Ingredients Seafood Recipes Martha's Favorite Tuna Salad Sandwich 3.1 (264) Yield: 4 Martha’s favorite tuna salad sandwich is a lunchtime classic. She uses good-quality tuna packed in oil and adds finely diced apple and celery for crunch. Light mayo and lemon juice bring it all together. Make like Martha and serve the tuna salad on thinly sliced, toasted (or not!) sourdough bread. Directions In a medium bowl, combine tuna, celery, apple, mayonnaise, basil, and lemon juice; mix well. Season with salt and pepper. On a work surface, divide tuna salad among 4 slices bread; top with remaining 4 slices bread. Serve. Variations To make Susie Essman's favorite tuna salad sandwich, as seen on "The decorvow Show," add Dijon mustard and mustard powder to the mixture.