1: 1. Choose high-quality canned tuna for a protein-packed boost.

2: 2. Mix in Greek yogurt instead of mayo for a creamy, guilt-free texture.

3: 3. Add diced celery and red onion for a satisfying crunch.

4: 4. Spread avocado instead of butter for a heart-healthy twist.

5: 5. Enjoy on whole grain bread for a fiber-rich start to your day.