Ingredients
1 (5-ounce) tin tuna, drained
2 slices sandwich bread, lightly toasted
Kosher salt and freshly ground pepper
Dill pickle slices
Provolone cheese slices
3 tablespoons mayonnaise
1 teaspoon Dijon mustard
1 tablespoon finely grated Parmesan
Preparation
Evenly divide tuna between bread; season with salt and pepper. Top with a few slices of dill pickle and a slice or two of provolone.
Stir together mayonnaise, Dijon, and Parmesan. Spread evenly over sandwiches. Broil until cheese melts and mayo puffs slightly and browns in places, 1 to 2 minutes.
