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Tuna, Tomato Melt
4 (3 Ounce) Pouches White Albacore Tuna, Drained
3 Tablespoons Mayonnaise, Plus More For Spreading
2 Teaspoons Dijon Mustard
2 Tablespoons Finely Chopped Red Onion, Or More To Taste
4 Tablespoons Chopped Capers
1 Tablespoon Lemon Juice
1/4 Teaspoon Fresh Or Dried Thyme Leaves
Sea Salt And Freshly Ground Black Pepper To Taste
6 Slices Artisan or Sourdough Bread Thick Cut
6 Thin Slices Tomato
6 Large Slices Gruyere, White Cheddar, Or Provolone Cheese
Set the oven to broil and move the rack to the highest position.
Broil Lightly buttered bread on both sides first. then….
In a medium bowl, combine tuna, mayonnaise, mustard, red onion, capers, lemon juice, thyme, salt, and pepper and stir thoroughly until combined. Leave the tuna in slightly large chunks, if possible.
Arrange bread on a baking sheet and spread mayonnaise on each slice. Divide tuna salad evenly among slices, then top each with 2 slices of tomato and 1 slice of cheese.
Broil tuna melts until cheese is golden brown and bubbling, 3 to 4 minutes. Serve warm.