Course Side Dish, Snack
Cuisine American, French, Italian
Keyword 10mintuelunch,, food rescue,, kitchen emergency,, nocook-meal
1 can (5-ounce) tuna in water or oil, drained very well
1/4 cup mayonnaise, plus more for the bread
2 tablespoons celery, finely chopped
1 tablespoon red onion, finely chopped
1 teaspoon fresh lemon juice or pickle relish
Salt and black pepper, to taste
4 slices of your favorite sandwich bread (sourdough or a sturdy white bread work best)
4 slices of sharp cheddar, provolone, or Swiss cheese
1 tablespoon unsalted butter (or use more mayonnaise for the outside)