1 1/4 cups cubed cooked turkey breast
1 small apple, chopped
1/4 cup finely chopped celery
3 tablespoons fat-free mayonnaise
2 tablespoons fat-free plain yogurt
2 tablespoons chopped walnuts
1 tablespoon raisins
1/8 teaspoon ground nutmeg
1/8 teaspoon ground cinnamon
8 slices cinnamon-raisin bread, toasted
4 lettuce leaves