Tuna Melts with Horseradish Mayonnaise

  • Level: Easy
  • Total: 25 min
  • Prep: 15 min
  • Cook: 10 min
  • Yield: 4 servings
  • Nutrition Info
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Ingredients

6 tablespoons mayonnaise

2 6-ounce cans solid white tuna, drained

1/4 cup finely chopped celery

2 scallions, finely chopped

2 tablespoons finely chopped fresh parsley

2 teaspoons apple cider vinegar

Kosher salt and freshly ground pepper

1 tablespoon whole-grain mustard

1 tablespoon prepared horseradish

4 large slices rye bread, lightly toasted

8 thin slices havarti cheese

2 tomatoes, cut into 8 slices

Dill pickles, for serving (optional)

Directions

Position a rack in the upper third of the oven and preheat to 475 degrees F. Combine 4 tablespoons mayonnaise, the tuna, celery, scallions, parsley and vinegar in a large bowl and mix well. Season with salt and pepper.

Combine the remaining 2 tablespoons mayonnaise with the mustard and horseradish in a small bowl; spread on the bread slices and arrange on a baking sheet. Mound the tuna mixture on top and pat it into an even layer. Top each with 1 cheese slice, tearing it as needed to cover the tuna mixture.

Season the tomato slices with salt; place 2 slices on top of each sandwich, then top each with another cheese slice. Bake until the cheese melts, 5 to 7 minutes. Serve with dill pickles.

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