Healthy Mediterranean Tuna Salad Sandwiches

• 2 cans (5-6 ounces each) quality canned tuna in water, drained
• 1/2 cup red onion, finely diced
• 1/2 cup cherry tomatoes, halved
• 1/4 cup kalamata olives, pitted and chopped
• 1/4 cup fresh parsley, finely chopped
• 1/4 cup cucumber, diced
• 2 tablespoons extra virgin olive oil
• 1 tablespoon lemon juice
• 1 teaspoon Dijon mustard
• Salt, to taste
• Black pepper, to taste
• 4 slices of whole-grain bread

1. In a medium-sized mixing bowl, flake the drained tuna with a fork.
2. Add the diced red onion, halved cherry tomatoes, chopped kalamata olives, and diced cucumber to the bowl with the tuna.
3. Sprinkle the finely chopped parsley over the other ingredients.
4. In a small bowl or cup, whisk together the extra virgin olive oil, lemon juice, and Dijon mustard until well combined.
5. Pour the dressing over the tuna and vegetable mixture.
6. Season the salad with salt and black pepper to your preference.
7. Gently toss the ingredients together until everything is evenly coated in the dressing.
8. Toast the slices of whole-grain bread until golden and crispy, if desired.
9. Evenly divide the tuna salad among two slices of the bread, spreading it out to the edges.
10. Top each with the remaining slices of bread to form sandwiches.
11. Cut the sandwiches in half and serve immediately for the best flavor and texture.