1 can chunk light tuna, packed in water
1/2 c. celery, chopped
1/3 c. low-calorie mayonnaise
1/4 c. parsley, chopped
2 tbsp. green onion, minced
1/4 tsp. black pepper
36 cherry tomatoes

Drain tuna. Combine tuna with celery, mayonnaise, chopped parsley, onion and pepper. Cut tops off tomatoes and scoop out seeds; turn upside down to drain. Fill with tuna salad, served, chilled on plate of leafy greens. 21 calories per appetizer.