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Two halves of a tuna melt sandwich stacked on top of each other.
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4 from 2 votes

Tuna Melt Sandwich

A tuna melt sandwich is a diner classic that’s easy to make at home! Seasoned tuna salad is piled onto thick slices of bread with cheddar cheese and toasted to perfection to create the ultimate comfort food sandwich.
Prep Time5 minutes
Cook Time6 minutes
Total Time11 minutes
Course: lunch, Sandwich
Cuisine: American
Keyword: tuna melt, tuna melt sandwich
Servings: 4 servings
Calories: 631kcal


  • 1 Large mixing bowl
  • 1 large skillet


Tuna Salad:

  • 10 ounces tuna, drained 2 cans
  • cup mayonnaise
  • 2 teaspoons dijon mustard
  • 1 stalk celery diced
  • 1 lemon juice
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 2 teaspoons Old Bay seasoning

To Assemble:

  • 8 slices thick sliced bread such as sourdough or Texas toast
  • 4 Tablespoons butter softened
  • 8 slices cheddar cheese
  • 4 tomato slices
  • 1 Tablespoon vegetable oil


  • In a mixing bowl, stir all tuna salad ingredients until mixed thoroughly.
    10 ounces tuna, drained, ⅓ cup mayonnaise, 2 teaspoons dijon mustard, 1 stalk celery, 1 lemon, 1 teaspoon kosher salt, ½ teaspoon black pepper, 2 teaspoons Old Bay seasoning
  • Spread the butter on one side of each slice of bread. Assemble each sandwich with a portion of the tuna salad, a slice of tomato and two slices of cheese. The buttered side of the bread should be facing out.
    8 slices thick sliced bread, 4 Tablespoons butter, 8 slices cheddar cheese, 4 tomato slices
  • In a large skillet, heat the vegetable oil over medium high heat. Once the pan is hot, add 2 of the sandwiches. Heat until bread is golden brown and cheese is melted, about 2 to 3 minutes per side. Repeat with the remaining two sandwiches.
    1 Tablespoon vegetable oil


Serving: 1serving | Calories: 631kcal | Carbohydrates: 32g | Protein: 28g | Fat: 44g | Saturated Fat: 17g | Polyunsaturated Fat: 12g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 97mg | Sodium: 1463mg | Potassium: 355mg | Fiber: 4g | Sugar: 5g | Vitamin A: 1009IU | Vitamin C: 18mg | Calcium: 351mg | Iron: 4mg