Tuna salad has long been a lunchtime staple, beloved for its simplicity, versatility, and satisfying protein punch.

In a classic tuna mayo, there are bits of drained canned tuna, mayonnaise, and a seasoning of salt and black pepper. Some people might like to add a little onion and celery to the tuna mayo ...

A classic tuna mayo typically consists of drained canned tuna, mayonnaise, and a seasoning of salt and black pepper. Some might prefer to add onion and celery to the mix, but a simple substitution ...

A stacked tuna melt has melty cheese running down its sides and creamy tuna salad dripping out onto a wooden cutting board - The Image Party/Shutterstock ...