Best Tuna Melt on Sourdough

This Best Tuna Melt recipe is a deliciously cheesy and savory sandwich that hits all the right notes. Featuring creamy tuna mixed with mayonnaise, wholegrain mustard, and finely diced onion, this melt is topped with melted cheddar on toasted sourdough bread. Perfect for a quick lunch or casual dinner, it’s served with crisp gherkins and sliced cucumber for a refreshing contrast.

Ingredients:

  • For the Tuna Melt:
    • 4 slices sourdough, toasted (35-40g / 2 oz. each)
    • 180g canned tuna in brine (6 oz., drained weight)
    • 1/4 small white or red onion, finely diced
    • 1 heaped teaspoon wholegrain mustard
    • 2.5 tablespoons mayonnaise
    • 1 cup grated cheese (e.g., Cheddar, Tasty, or other preferred cheese)
    • Sea salt and freshly ground black pepper, added according to your taste.
  • To Serve:
    • Gherkins (pickles)
    • Sliced cucumber

Instructions:

1. Prepare the Tuna Mixture:

  • Remove the canned tuna from its liquid and transfer it to a mixing bowl.
  • Add the finely diced onion, wholegrain mustard, and mayonnaise to the tuna.
  • Mix until well combined.
  • Season with sea salt and ground black pepper to taste.

2. Toast the Sourdough:

  • Lightly toast the slices of sourdough until golden and crispy.

3. Assemble the Tuna Melt:

  • Spread the tuna mixture evenly on two slices of toasted sourdough.
  • Sprinkle the grated cheese generously on top of the tuna mixture.

4. Melt the Cheese:

  • Place the assembled sandwiches under a broiler or in an oven preheated to 400°F (200°C) until the cheese is fully melted and bubbly, about 3-5 minutes.

5. Serve:

  • Top with the remaining slices of toasted sourdough, or serve open-faced if preferred.
  • Serve the tuna melts with gherkins and sliced cucumber on the side for a fresh, tangy bite.

Conclusion:

This Best Tuna Melt is the ultimate comfort food, combining the savory richness of tuna, creamy mayonnaise, and sharp melted cheese on crispy sourdough. It’s a simple yet satisfying meal that can be thrown together in minutes and makes for an excellent lunch or quick dinner. The addition of gherkins and cucumber on the side provides a refreshing crunch that pairs perfectly with the richness of the melt.

Best Tuna Melt on Sourdough

The Best Tuna Melt features a savory tuna mixturewith mayonnaise, mustard, and finely diced onion, topped with melted cheddar ontoasted sourdough. It's served with crisp gherkins and cucumber for a perfectlybalanced meal.
Prep Time 5 minutes
Cook Time 5 minutes
Total Time 10 minutes
Course LUNCH, Main Course
Cuisine American, Sandwich
Servings 2 sandwichs
Calories 450 kcal

Ingredients
  

For the Tuna Melt:

  • 4 slices sourdough toasted (35-40g / 2 oz. each)
  • 180 g canned tuna in brine 6 oz., drained weight
  • 1/4 small white or red onion finely diced
  • 1 heaped teaspoon wholegrain mustard
  • 2.5 tablespoons mayonnaise
  • 1 cup grated cheese e.g., Cheddar, Tasty, or other preferred cheese
  • Sea salt and freshly ground black pepper added according to your taste.

To Serve:

  • Gherkins pickles
  • Sliced cucumber

Instructions
 

Prepare the Tuna Mixture:

  • Remove the canned tuna from its liquid and transfer it to a mixing bowl.
  • Add the finely diced onion, wholegrain mustard, and mayonnaise to the tuna.
  • Mix until well combined.
  • Season with sea salt and ground black pepper to taste.

Toast the Sourdough:

  • Lightly toast the slices of sourdough until golden and crispy.

Assemble the Tuna Melt:

  • Spread the tuna mixture evenly on two slices of toasted sourdough.
  • Sprinkle the grated cheese generously on top of the tuna mixture.

Melt the Cheese:

  • Place the assembled sandwiches under a broiler or in an oven preheated to 400°F (200°C) until the cheese is fully melted and bubbly, about 3-5 minutes.

Serve:

  • Top with the remaining slices of toasted sourdough, or serve open-faced if preferred.
  • Serve the tuna melts with gherkins and sliced cucumber on the side for a fresh, tangy bite.
Keyword Tuna melt sandwich

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