Spinach Tuna Melt

Why You’ll Love This Recipe

This sandwich offers the perfect mix of creamy, cheesy, crispy, and fresh. The spinach adds color and a subtle earthy flavor that pairs beautifully with the richness of the tuna and cheese. It’s quick to make, customizable, and hearty enough for lunch or dinner without feeling heavy. Bonus: it’s a clever way to sneak some greens into your meal.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Canned tuna, drained
• Mayonnaise
• Dijon mustard (optional)
• Salt and black pepper
• Fresh baby spinach
• Bread slices (sourdough, rye, or whole grain)
• Sliced cheese (Swiss, cheddar, provolone, or mozzarella)
• Unsalted butter (for grilling)
• Optional: red onion slices, tomato slices, garlic powder

Directions

1. In a bowl, mix the drained tuna with mayonnaise, mustard (if using), salt, and pepper to taste.
2. Lightly sauté the spinach in a skillet over medium heat for 1–2 minutes, just until wilted. Drain off excess moisture.
3. Butter one side of each bread slice.
4. On the unbuttered side, layer cheese, spinach, and a generous scoop of tuna mixture.
5. Add a second slice of cheese on top for extra meltiness, if desired.
6. Top with the second slice of bread, buttered side out.
7. Heat a skillet over medium heat. Grill the sandwich for 3–4 minutes per side, pressing gently, until the bread is golden and the cheese is melted.
8. Remove from heat, let rest briefly, slice, and serve warm.

Servings and timing

This recipe makes 2 sandwiches.
Prep time: 10 minutes
Cook time: 8 minutes
Total time: 18 minutes

Variations

• Avocado Boost: Add sliced avocado inside the sandwich before grilling for creaminess and healthy fats.
• Spicy Melt: Mix a bit of hot sauce into the tuna or add sliced jalapeños.
• Open-Faced: Skip the top slice of bread and broil the sandwich until the cheese is melted.
• Greek Style: Add crumbled feta, olives, and oregano to the tuna mix.
• Low-Carb Version: Serve the tuna and spinach filling on lettuce wraps or low-carb bread.

Storage/Reheating

Tuna melts are best served fresh.
If storing, wrap tightly in foil and refrigerate for up to 1 day.
To reheat, warm in a skillet over medium-low heat until heated through and the bread is crisp.
Avoid microwaving, as it may make the sandwich soggy.

FAQs

What kind of tuna should I use?

Chunk light or solid white tuna in water or oil both work well. Choose your favorite based on texture and taste.

Can I use frozen spinach?

Yes. Thaw and squeeze out excess moisture before adding to the sandwich.

Is it necessary to cook the spinach?

Sautéing is optional. You can add fresh baby spinach directly for a crunchier texture.

Can I make this sandwich in a panini press?

Absolutely. A panini press will give you an even crisp and melt the cheese beautifully.

What’s the best cheese for a tuna melt?

Cheddar, Swiss, provolone, and mozzarella are all great options. Use what melts well and suits your taste.

How do I keep the sandwich from becoming soggy?

Drain the tuna thoroughly, and cook off any extra spinach moisture. Grilling helps create a crisp barrier, too.

Can I prepare the tuna mix ahead of time?

Yes. Store it in the fridge for up to 3 days and assemble the sandwich when ready to cook.

Can I make it dairy-free?

Yes. Use a plant-based cheese and vegan mayo to make the sandwich dairy-free.

What sides go well with a tuna melt?

Try a pickle spear, side salad, chips, or a bowl of soup for a well-rounded meal.

Is this sandwich kid-friendly?

Yes! It’s mild, cheesy, and easy to tailor to your child’s preferences.

Conclusion

The Spinach Tuna Melt is a simple yet delicious way to upgrade your sandwich game. With creamy tuna, melty cheese, and vibrant spinach tucked between crispy, golden bread, it’s a hearty, flavorful meal that’s quick to prepare and satisfying every time. Whether you’re looking for a cozy lunch or a nutritious twist on a classic, this melt checks all the boxes.

Spinach Tuna Melt

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The Spinach Tuna Melt is a warm, satisfying sandwich that combines creamy tuna salad, melty cheese, and sautéed spinach between slices of golden, buttery bread. A wholesome twist on the classic melt, perfect for lunch or a quick dinner.

• Author: Laura
• Prep Time: 10 minutes
• Cook Time: 8 minutes
• Total Time: 18 minutes
• Yield: 2 sandwiches
• Category: Lunch
• Method: Grilling
• Cuisine: American

Ingredients

1. 1 can (5 oz) tuna, drained
2. 2 tbsp mayonnaise
3. 1 tsp Dijon mustard (optional)
4. Salt and black pepper, to taste
5. 1 cup fresh baby spinach
6. 4 slices bread (sourdough, rye, or whole grain)
7. 4 slices cheese (cheddar, Swiss, provolone, or mozzarella)
8. 2 tbsp unsalted butter, softened
9. Optional: red onion slices, tomato slices, garlic powder

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Instructions

In a bowl, mix drained tuna with mayonnaise, mustard (if using), salt, and pepper.

1. Lightly sauté spinach in a skillet over medium heat for 1–2 minutes until just wilted. Drain excess moisture.
2. Butter one side of each bread slice.
3. On the unbuttered side, layer 1 slice of cheese, sautéed spinach, a scoop of tuna mixture, and an optional second slice of cheese.
4. Top with another slice of bread, buttered side out.
5. Heat a skillet over medium heat and grill the sandwich for 3–4 minutes per side until golden brown and cheese is melted.
6. Remove from heat, let rest briefly, slice, and serve warm.

Notes

• Drain tuna and spinach well to prevent sogginess.
• Add avocado, tomato, or onion for extra flavor and texture.
• Use your favorite melting cheese for best results.
• Panini presses work great for an evenly crisped sandwich.

Nutrition

• Serving Size: 1 sandwich
• Calories: 430
• Sugar: 3g
• Sodium: 620mg
• Fat: 28g
• Saturated Fat: 10g
• Unsaturated Fat: 15g
• Trans Fat: 0g
• Carbohydrates: 24g
• Fiber: 2g
• Protein: 25g
• Cholesterol: 65mg