Tuna sandwich

Some bread

A tuna can

An onion

Some mayonnaise

Some butter

Some black pepper

First cut two thin pieces of bread.

Then put some butter on them.

Mix some mayonnaise into tuna and the chopped onion.

Put the tuna mix on the buttered bread.

Put some black pepper on the tuna.

Now put the other piece of bread on top.

Finally - eat the tuna sandwich!