1 can (6 oz.) tuna, drained
1/2 c. chopped celery
4 med. tomatoes
Lettuce
1/2 c. plain yogurt
1/2 c. chopped green onions
1/2 c. oats

Combine first 4 ingredients. Chill. Place sectioned tomatoes on bed of lettuce. Stir oats with tuna mixture and spoon about 1/2 cup into each tomato. Garnish with parsley.