1: Elevate your tuna salad with crunchy celery and tangy lemon juice.

2: Swap mayo for Greek yogurt to cut calories and boost protein.

3: Add a handful of fresh herbs like dill or parsley for a burst of flavor.

4: Opt for whole grain bread for added fiber and nutrients.

5: Include avocado for healthy fats and a creamy texture in your sandwich.

6: Mix in diced apples or grapes for a touch of sweetness and crunch.

7: Experiment with different spices like paprika or cumin for a unique twist.

8: Try adding a splash of balsamic vinegar or dijon mustard for an extra kick.

9: Pack your tuna salad in a bento box for a convenient, on-the-go breakfast option.