Tuna Melt Grilled Sandwiches Recipe
If you’re looking for the ultimate comfort food that’s ready in less than 20 minutes and sure to satisfy any craving, Tuna Melt Grilled Sandwiches are it! Imagine melty cheese oozing over a savory, tangy tuna filling, all nestled between buttery, golden-crisp bread. This classic diner favorite is shockingly easy to make at home and brings together bold, nostalgic flavors that will have you coming back for seconds (or thirds!). Whether for lunch, dinner, or a much-needed snack, Tuna Melt Grilled Sandwiches always deliver on heartiness and taste.

Ingredients You’ll Need
This humble recipe combines a handful of pantry and fridge staples to create something truly magical. Each ingredient, from the sharpness of the cheese to the brightness of red onion, plays a vital role in bringing Tuna Melt Grilled Sandwiches to life.
- Tuna (2 cans, 5 oz each, in water, drained): The star protein that makes the filling rich, hearty, and packed with flavor.
- Mayonnaise (1/4 cup): Binds the tuna and adds a creamy texture and slight tang.
- Dijon Mustard (1 teaspoon): Offers a subtle zestiness that wakes up the palate and brightens the mix.
- Red Onion (1 tablespoon, finely chopped): Adds a mild crunch and sweet sharpness.
- Celery (1 tablespoon, chopped, optional): For added crunch and a refreshing, crisp bite.
- Black Pepper (1/4 teaspoon): Brings a gentle heat that balances out the creamy filling.
- Salt (1/4 teaspoon): Brings all the flavors into delicious harmony.
- Sandwich Bread (4 slices): The vessel for all that gooey, melty goodness; choose your favorite style!
- Cheddar or Swiss Cheese (4 slices): Delivers that irresistible, melt-in-your-mouth cheese pull.
- Butter (2 tablespoons, softened): Ensures your bread turns beautifully golden and crisp in the skillet.
How to Make Tuna Melt Grilled Sandwiches
Step 1: Prepare the Tuna Filling
Start by grabbing a medium bowl. Flake the drained tuna into the bowl, breaking up any large chunks. Stir in the mayonnaise, Dijon mustard, red onion, celery (if you’re using it), salt, and black pepper. Mix everything until it’s perfectly combined and creamy; you want an even blend so every bite is satisfying.
Step 2: Assemble the Sandwiches
Lay out your bread slices and evenly divide the tuna mixture between two of them. Top each mound of filling with two glorious slices of cheddar or Swiss cheese, then cap them with the remaining bread slices. Press down gently—it helps everything stay together when grilling.
Step 3: Butter the Bread
For that signature, golden crunch, spread the softened butter on the outsides of all the bread slices. Don’t be shy; this is what delivers the unbeatable grilled flavor! Buttered sides face outward.
Step 4: Grill the Sandwiches
Heat a skillet or griddle over medium heat. Place the sandwiches in the skillet, buttered side down, and let them sizzle for 3 to 4 minutes per side. Press down lightly with a spatula for an extra crispy crust. Once the bread is perfectly golden and the cheese is irresistibly melty, remove them from the heat.
Step 5: Slice and Enjoy
Transfer your hot sandwiches to a cutting board, slice in half (diagonal cuts make them extra inviting!), and get ready for that first cheesy, savory bite. Tuna Melt Grilled Sandwiches are best served warm!
How to Serve Tuna Melt Grilled Sandwiches

Garnishes
Give your Tuna Melt Grilled Sandwiches a touch of flair with classic garnishes. Try sprinkling some chopped parsley or fresh chives on top, or add a little extra crunch with sliced pickles or a dash of paprika for color. These small touches make the sandwiches feel even more special.
Side Dishes
Nothing goes better with Tuna Melt Grilled Sandwiches than a simple side. Kettle-cooked potato chips, a crisp dill pickle spear, or a vibrant mixed greens salad make perfect pairings. For a homey twist, tomato soup is an iconic companion that dips beautifully with each cheesy bite.
Creative Ways to Present
Jazz things up by serving your Tuna Melt Grilled Sandwiches as sliders for a party or cut into bite-sized pieces as fun appetizers. Or try them open-faced under the broiler for a twist—a bubbling, cheesy top is always a hit!
Make Ahead and Storage
Storing Leftovers
If you find yourself with extra sandwiches, let them cool completely. Wrap each Tuna Melt Grilled Sandwich tightly in foil or plastic wrap and store in an airtight container in the refrigerator. They’ll keep well for up to 2 days, so you can enjoy a quick meal later.
Freezing
For longer storage, you can freeze assembled (but ungrilled) Tuna Melt Grilled Sandwiches. Wrap each sandwich well with plastic wrap and foil, then place in a freezer bag. When you’re ready, thaw in the fridge overnight before grilling as normal for maximum freshness.
Reheating
To bring back that crispy, melty magic, reheat sandwiches in a skillet over low heat for a few minutes on each side, pressing gently to re-crisp the bread. Alternatively, pop them in a toaster oven until heated through. Avoid the microwave if you can, as it tends to make the bread soggy instead of beautifully crisp.
FAQs
Can I use a different kind of cheese?
Absolutely! While cheddar and Swiss bring classic flavor, feel free to try mozzarella for stretchiness, pepper jack for a little kick, or even Havarti for a creamier melt.
What bread works best for Tuna Melt Grilled Sandwiches?
You can’t go wrong with classic white or wheat, but sourdough and rye add bold flavor and texture. Choose a hearty loaf that turns crisp and holds up well to the filling and melted cheese.
How can I make this recipe healthier?
Swap in light mayonnaise or Greek yogurt for a lighter filling, add extra veggies like spinach, and use whole wheat bread. You can also grill the sandwiches with a light spray of olive oil instead of butter.
Are Tuna Melt Grilled Sandwiches safe to pack for lunch?
Yes! Let the sandwiches cool, wrap tightly, and pack with a cold pack. If possible, reheat briefly before eating for that fresh-from-the-skillet experience.
Can I add other ingredients to my tuna mixture?
Absolutely—mix in capers, diced pickles, or a dash of hot sauce to customize your filling. Tuna Melt Grilled Sandwiches are endlessly adaptable, so get creative with your pantry staples!
Final Thoughts
There’s nothing more inviting than a gooey, golden Tuna Melt Grilled Sandwich hot from the skillet. This recipe is proof that a handful of affordable ingredients can transform into something truly crave-worthy. Give Tuna Melt Grilled Sandwiches a try and let every cheesy, savory bite transport you to your happy place—you might just find yourself making them again and again!
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Tuna Melt Grilled Sandwiches Recipe
- Total Time: 18 minutes
- Yield: 2 sandwiches 1x
- Diet: Non-Vegetarian
Description
These Tuna Melt Grilled Sandwiches are a classic favorite for a quick and satisfying lunch. With creamy tuna salad and melted cheese sandwiched between crispy bread slices, this recipe is sure to become a go-to comfort food option.
Ingredients
Tuna Salad:
- 2 cans (5 oz each) tuna in water (drained)
- 1/4 cup mayonnaise
- 1 teaspoon Dijon mustard
- 1 tablespoon finely chopped red onion
- 1 tablespoon chopped celery (optional)
- 1/4 teaspoon black pepper
- 1/4 teaspoon salt
Sandwich Assembly:
- 4 slices of sandwich bread
- 4 slices of cheddar or Swiss cheese
- 2 tablespoons butter (softened)
Instructions
- Prepare Tuna Salad: In a medium bowl, mix together the drained tuna, mayonnaise, Dijon mustard, red onion, celery if using, salt, and black pepper until well combined.
- Assemble Sandwiches: Spread the tuna mixture evenly onto two slices of bread. Top each with two slices of cheese, then place the remaining bread slices on top to form sandwiches.
- Grill Sandwiches: Spread butter on the outside of each slice of bread. Heat a skillet or griddle over medium heat. Place the sandwiches in the skillet and cook for 3 to 4 minutes per side, or until the bread is golden brown and the cheese is melted.
- Serve: Remove from heat, slice in half, and serve warm.
Notes
- You can use sourdough, rye, or whole wheat bread for variety.
- Add a slice of tomato or a few pickle chips for extra flavor.
- For a crispier crust, press down lightly with a spatula while grilling.
- Prep Time: 10 minutes
- Cook Time: 8 minutes
- Category: Main Course
- Method: Stovetop
- Cuisine: American
Nutrition
- Serving Size: 1 sandwich
- Calories: 460
- Sugar: 3g
- Sodium: 720mg
- Fat: 27g
- Saturated Fat: 10g
- Unsaturated Fat: 14g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 2g
- Protein: 30g
- Cholesterol: 75mg