Ingredients

  • 4 teaspoons roasted red pepper olive oil
  • 4 teaspoons balsamic vinegar
  • 8 slices whole grain bread or 8 slices pita bread
  • 2 (6 ounce) cans tuna in water, drained and flaked
  • 1/3 cup sun-dried tomato packed in oil, drained
  • 1/4 cup ripe green olives or 1/4 cup ripe olives, sliced
  • 1/4 cup red onions or 1/4 cup sweet Spanish onion, finely chopped
  • 1/4 cup red bell pepper, finely chopped (optional)
  • 3 tablespoons mayonnaise (optional) or 3 tablespoons low-fat mayonnaise (optional)
  • 2 teaspoons capers (more to taste)
  • 1/4 teaspoon fresh ground black pepper
  • 4 romaine lettuce leaves or 4 curly green lettuce leaves

Method

  • Toast bread if desired.
  • Combine olive oil and vinegar in a small bowl; brush oil mixture evenly over 1 side of each bread slice or inside pita pockets.
  • Combine tuna and the rest of the ingredients (except lettuce).
  • Place 1 lettuce leaf on each of 4 bread slices.
  • Top the lettuce evenly with tuna mixture, and cover with remaining bread slices.
  • Serve immediately.