A Great Tuna Melt

A warm, toasty, cheesy tuna melt ranks high on my list of favorite sandwiches.

In my book, a good tuna melt must meet a few criteria: First, the cheese must be fully melted and oozy. Second, there must be an abundance of red onion and celery for crunch in every bite. Third, a pickle-y, briny element is necessary for both acidity and saltiness. And last but not least, there must be kettle chips alongside—ideally a dill pickle spear, too, but chips at the bare minimum. Dousing them wi