1: Secret #1: Choose high-quality tuna packed in water for a protein-packed boost to start your day right.

2: Secret #2: Mix in Greek yogurt instead of mayonnaise for a creamy texture with less added fat and more protein.

3: Secret #3: Add crunch and fiber by tossing in diced celery, carrots, or bell peppers for a nutritious kick.

4: Secret #4: Sprinkle in herbs like dill or parsley for a burst of freshness and flavor without extra calories.

5: Secret #5: Opt for whole grain bread or wraps for sustained energy and extra fiber to keep you full longer.

6: Bonus Tip: Make a big batch ahead of time and portion it out for easy grab-and-go breakfasts all week long.

7: Bonus Tip: Try swapping out tuna for canned salmon or chickpeas for a delicious twist on this classic sandwich.

8: Bonus Tip: Top your sandwich with avocado slices or a drizzle of olive oil for healthy fats that support heart health.

9: Bonus Tip: Customize your tuna salad with your favorite mix-ins like pickles, olives, or even a sprinkle of nuts for extra crunch.