Martha's Favorite Tuna Salad Sandwich

Ingredients:
12 ounces good-quality tuna, packed in oil, drained
2 stalks celery, halved lengthwise and thinly sliced
1 apple, such as McIntosh or Gala, peeled, cored, and cut into 1/4-inch pieces
3 tablespoons light mayonnaise, preferably Ojai Cook's Lemonaise Light
2 tablespoons freshly chopped basil leaves
1 tablespoon freshly squeezed lemon juice
Coarse salt and freshly ground pepper
8 slices best-quality sourdough

Cooking 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.
Yield: 4 servings