Chicken and Grapes Salad in a Pita

Ingredients:

2 cups cooked chicken breast, cubed
1 cup seedless red grapes, halved
1 cup finely chopped celery
1/4 cup slivered almonds
1/2 cup shredded Fat Free Mozzarella cheese
6 100% whole wheat pita pockets
1/4 cup fat free Ranch dressing, more or less
1 cup shredded lettuce, if desired
Instructions:

Combine all ingredients (except the pita and lettuce) in a bowl and toss lightly. Place the lettuce in the bottom of the pita. Scoop mixture into the pitas evenly and serve.