Ingredients
1 pouch (11 ounces) light tuna in water1 hard-boiled large egg, coarsely chopped2 tablespoons reduced-fat creamy balsamic vinaigrette1 tablespoon stone-ground mustard, optional4 whole wheat hamburger buns, split8 slices tomato8 slices reduced-fat Swiss cheese
Preparation
In a small bowl, mix tuna, egg, vinaigrette and, if desired, mustard. Place buns on an ungreased baking sheet, cut side up. Broil 4-6 in. from heat 1-2 minutes or until golden brown.
Spread tuna mixture over buns; top with tomato and cheese. Broil 2-3 minutes longer or until cheese is melted.
