Crunchy Tuna Sandwich

1 can tuna
Heaping tablespoon of Mayonnaise
2 slice bread
Handful of potato chips or unsweetened corn flakes. Then crush them.

Spread the tuna mixed with the mayonnaise on a slice of bread.
Sprinkle some crushed potato chips or corn flakes on it.
Cover with another slice of bread then cut in half and serve
You can even use buttered toast if you want