Ingredients and Preparation
- Preheat broiler.
- In a small bowl, combine tuna, celery, green onions, dill, mayonnaise, mustard, and pepper.
- Place bread slices on a baking sheet and broil 5 inches below the heat for 1-2 minutes, until lightly toasted. Then top each of the four slices with the tuna mixture, add sliced tomatoes, and sprinkle with shredded cheese. Broil 5 inches below heat for 3-5 minutes, until cheese is melted.