This tuna melt with peperoncini, melted cheese, and toasted sourdough makes a quick, comforting lunch you can pull together in minutes. Crispy on the outside and melty in the center, this sandwich is layered with bright flavor.
If you prefer a classic cold sandwich, try my Tuna Salad Sandwich instead. For more tuna recipes, check out this Tuna Tartare, Tuna Confit, and Tuna Couscous Salad next.
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I gave the classic tuna melt a little upgrade with a few simple additions that make a big difference. Finely chopped peperoncini add a bright tang, while celery, fresh dill, dijon, and a touch of lemon keep the tuna salad fresh and colorful.
Once it hits the pan on toasty sourdough with melted cheese, it turns into something special. It’s perfect for tuna lovers who want something familiar with a little extra flavor.
Why This Tuna Melt Recipe Works
- Quick Lunch Idea – This sandwich is ready in about 20 minutes from start to finish. Once the tuna mixture is stirred together, the sandwiches toast up quickly in the skillet for an easy midday meal.
- Thoughtful Ingredients – I build the tuna salad with finely chopped shallot, celery, dill, dijon, lemon, and peperoncini so every bite has a little crunch and brightness. Each ingredient plays a role, creating a tuna filling that feels layered instead of heavy.
- Crispy Bread, Melty Cheese – Buttered sourdough turns golden in the skillet while the cheese melts into the tuna mixture. That contrast between the crisp exterior and warm, melty center is what makes a tuna melt so irresistible.
Tools You’ll Need
- Mixing bowl
- Cast-iron skillet or heavy skillet
- Spatula
Ingredients You Will Need for a Tuna Melt
Here is a breakdown of what you will need to make this recipe. For actual measurements, see the recipe card at the end of this post.
- Oil packed yellowfin tuna – I like using oil packed tuna because it has a richer flavor and softer texture than water packed tuna. Draining one can and leaving the oil in the other keeps the tuna mixture moist without needing too much mayo.
- Mayonnaise – A good quality mayo gives the tuna salad its creamy base and helps bind everything together.
- Shallot and celery – Finely chopped shallot adds a mild onion flavor, while celery gives the tuna salad a light crunch that keeps the texture interesting.
- Peperoncini and brine – Chopped peperoncini and a splash of the brine add brightness and acidity that lift the whole tuna mixture.
- Fresh dill, dijon, and lemon zest – These ingredients add layers of flavor that keep the tuna salad tasting fresh and balanced.
- American cheese – I use American cheese because it melts evenly and gives the sandwich that classic melty layer.
- Sourdough bread – Sourdough holds up well to the filling and gets beautifully crisp when toasted in the skillet.
- Butter – Butter helps the bread toast to a golden crust while adding richness to the sandwich.
How To Make a Tuna Melt
Below is a summary of how to make a tuna cheese melt. For a complete and detailed list of steps, see the recipe card at the end of this post.
Make the Tuna Salad
I start by draining one can of tuna while leaving the oil in the other for extra richness. Add both to a bowl and break the tuna into smaller pieces with a fork. From there, I mix in the mayo, shallot, celery, peperoncini and a splash of the brine, along with dill, dijon, lemon zest, and a pinch of salt and black pepper. Stir everything together until the mixture is creamy and evenly combined.
Toast the Bread
Set a cast iron skillet over medium heat and butter the outside of each slice of sourdough. Place the bread in the skillet with the unbuttered side facing down so it lightly toasts first. Once the bread begins to turn golden, flip each slice over to start building the sandwich.
Assemble and Cook the Tuna Melt
Top one slice with two pieces of American cheese while spreading a generous layer of tuna salad onto the other. Bring the slices together and gently press the sandwich with a spatula so it cooks evenly. Let the bread toast until both sides are golden and the cheese turns perfectly melty. Slice the sandwich in half and serve with peperoncini, chips, or a simple salad.
Tips and Tricks
- Drain only one can of tuna. I leave the oil in the second can to keep the tuna salad rich and moist without needing too much mayonnaise.
- Chop the mix-ins finely. Small pieces of celery, shallot, and peperoncini distribute more evenly through the tuna, so you get balanced flavor in every bite.
- Use medium heat when cooking. A steady, moderate heat lets the bread turn golden while giving the cheese enough time to melt into the tuna.
- Butter the bread generously. Butter helps the sourdough toast evenly and creates that crisp, golden exterior that makes a tuna melt so good.
- Press the sandwich gently. A light press with the spatula helps the cheese melt into the tuna and keeps the filling from spilling out while it cooks.
What to Serve with Your Tuna Melt
- Fries – Crispy fries are a classic pairing for a tuna melt and make the sandwich feel a little more indulgent. Serve them hot on the side for that familiar diner style lunch plate.
- Salads – A fresh salad helps balance the richness of the sandwich. Try my Caesar Salad or Green Goddess Salad for something crisp and bright alongside the tuna melt.
- Potato chips and pickles – This simple pairing adds crunch and a briny bite that works perfectly with a warm, cheesy sandwich. A handful of kettle chips and a few pickles or peperoncini on the side round everything out nicely for a deli-style meal.
Frequently Asked Questions
What kind of bread is best for a tuna melt?
Sourdough is a great choice because it has enough structure to hold the tuna filling and it toasts beautifully in a skillet. The slightly tangy flavor also pairs well with the creamy tuna and melted cheese.
Is the tuna in a tuna melt supposed to be warm?
Yes, the tuna warms as the sandwich cooks in the skillet. The goal is to heat the tuna through while the cheese melts and the bread turns golden.
Which cheese goes best with tuna?
American cheese is a classic choice because it melts smoothly and evenly. It creates that creamy, melty layer that works perfectly in a tuna melt.
Can I make the tuna salad ahead of time?
Yes, the tuna salad can be made in advance and stored in the refrigerator for up to three days. In fact, letting it sit for a few hours helps the flavors meld together.
Looking for More Sandwich Recipes?
- Caprese Sandwich
- Japanese Egg Sandwich
- Sausage Frozen Breakfast Sandwiches
- Turkey Avocado Sandwich with Yuzu
- Crispy Fish Sandwich
- Soft Scramble Brioche Sandwich
- BLT Sandwich with Arugula
Loving this Tuna Melt Sandwich?
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Easy Tuna Melt Recipe
Equipment
- Cast-iron skillet or heavy skillet
- Spatula
Ingredients
- 2 5 ounce cans yellowfin tuna, oil packed
- 6 tablespoons quality mayo, I use Duke's, plus more for bread
- 3 tablespoons shallot, finely chopped
- 2½ tablespoons peperoncini, finely chopped
- 2 tablespoons celery, finely chopped
- 3½ teaspoons fresh dill, finely chopped
- 2 teaspoons peperoncini brine
- 2 teaspoons dijon mustard
- ½ teaspoon lemon zest
- kosher salt and black pepper, to toaste
- 6 slices American cheese
- 6 slices sourdough boule
- quality mayo,
- butter, for bread
Instructions
- Drain one can of tuna and leave oil in the other. Transfer tuna to a bowl, breaking it into smaller pieces. Add mayo, shallot, celery, peperoncini plus brine, dill, dijon, lemon zest, and season to taste with salt and black pepper. Mix until thoroughly combined.
- Heat a cast iron skillet over medium heat. Butter the outside of each slice of bread and transfer (unbuttered side down) to the hot skillet. Once lightly toasted, flip, then top one side with two slices of american cheese. On the other side, carefully spread with mayo and top with carefully spread with desired amount of tuna. Place the side with cheese on top and press to flatten with a spatula. Cook until golden on both sides.
- Slice in half and enjoy with more peperoncinis, chips, and/or salad.
