This is a great finger food for all those graduation parties coming up. You could double the recipes with out any problems, also this is not going to cost a lot. This is a great recipe.
16 cherry tomatoes
1 can tuna in water
2 tablespoons low-fat yogurt
2 teaspoons finely chopped green onion
2 teaspoons chili sauce
1/4 teaspoons prepared horseradish
1/8 teaspoons ground black pepper
With a sharp knife, slice tops of tomatoes. With a grapefruit spoon remove pulp; drain upside down on papertowel.
Combine remaining ingredients, spoon mixture into tomatoes, refrigerate about 1 hour before serving.