Give the tuna salad your own touch by adding chopped fresh chives, dill pickles, roasted red peppers, capers or sliced ripe olives. Leftover cooked chicken (about 1 cup) could be substituted for the tuna.
The tuna mixture can be made ahead of time and stored in the refrigerator.
These sandwiches are ideal for a porch or patio supper. Garnish plates with chunks of fruit - melon, pineapple and oranges.