1: Elevate your tuna salad with fresh herbs and lemon zest.

2: Swap mayo for Greek yogurt for a healthier twist.

3: Add crunch with diced celery and red onion.

4: Mix in Dijon mustard for extra flavor.

5: Top with avocado slices for creaminess.

6: Experiment with different bread types, like whole grain or ciabatta.

7: Try adding a kick with a dash of hot sauce or Sriracha.

8: Make it a meal by serving with a side of pickles or chips.

9: Customize your sandwich with your favorite toppings for the perfect lunch.