Deanna & I received this recipe from my Aunt Betty at our wedding shower in 2006.   We have not tried this one yet, but it definitely sounds tasty.  

ingredients 

6 oz tuna, drained
3/4 cup feta cheese, crumbled
1/3 cup celery, thinly sliced
1/2 cup apples, diced
2 tbsp tarragon, chopped
Salt & pepper to taste
2 pita breads, halved
2 cups mixed greens

preparation

1. In a medium mixing bowl, combine tuna, feta cheese, celery, apples, nuts and tarragon; mix well.
2. Stir in salt and pepper.
3. Line each pita bread pocket with 1/2 cup leaf lettuce, fill with 1/4 cup tuna mixture. 

serving size

4 persons