This Grilled Tuna Sandwich Recipe is a quick, tasty and healthy meal for lunch or dinner. The tuna stays juicy and the bread becomes perfectly crispy. With simple ingredients, you can make a flavorful sandwich at home in minutes. It’s perfect for busy days, picnics or family meals.
If you are wondering How to make Grilled Tuna Sandwich, this guide will help you step by step. The Ingredients for Grilled Tuna Sandwich are easy to find in any kitchen. This Grilled Tuna Sandwich Recipe is satisfying, protein-rich and full of flavor.
The Secret Behind This Delicious
The secret behind this delicious sandwich is the combination of flavors and textures. Fresh tuna keeps the sandwich healthy and soft. Grilling adds a light smokiness and crispy texture. A little mayo or mustard enhances flavor without overpowering the tuna.
Using fresh vegetables like lettuce, tomatoes and onions adds crunch and freshness. Choosing soft bread with a golden crust balances the flavors. Even spreading butter on the bread before grilling gives a golden, crispy finish. Small details make a simple tuna sandwich taste extraordinary.

Recipe Card info
- Recipe Name: Grilled Tuna Sandwich
- Servings: 2 people
- Prep Time: 10 minutes
- Cook Time: 8 minutes
- Total Time: 18 minutes
- Course: Main Course
- Cuisine: American-style
- Calories: 350 kcal per serving
Equipment List
- Grill pan or nonstick skillet
- Knife
- Cutting board
- Spatula
- Mixing bowl
- Measuring spoons
- Fork
Ingredients You Need for Grilled Tuna Sandwich
- 2 cans tuna, drained
- 4 slices of whole wheat or white bread
- 2 tablespoons mayonnaise
- 1 teaspoon Dijon mustard
- 1 small onion, thinly sliced
- 1 small tomato, thinly sliced
- Lettuce leaves
- Salt and black pepper to taste
- 1 tablespoon olive oil or butter for grilling
- Optional: cheese slices or pickles for extra flavor
These are the main Ingredients for Grilled Tuna Sandwich, easy to prepare and tasty.
Instructions
1. Prepare the Tuna Filling
In a mixing bowl, combine drained tuna, mayonnaise, mustard, salt and pepper. Mix until smooth and well combined.
2. Prepare the Vegetables
Wash lettuce leaves and slice tomatoes and onions thinly. Set aside for assembling the sandwiches.
3. Butter the Bread
Spread a thin layer of olive oil or butter on one side of each bread slice. This will create a golden crispy crust.
4. Assemble the Sandwich
Place tuna filling on the unbuttered side of two slices of bread. Top with lettuce, tomato, onion and optional cheese.
5. Close the Sandwich
Place the remaining bread slices on top with the buttered side facing out. Press gently to hold everything together.
6. Preheat the Pan
Heat a grill pan or nonstick skillet over medium heat. Make sure it’s hot before placing the sandwiches.
7. Grill the Sandwich
Place the sandwiches in the pan. Cook for 3–4 minutes until golden brown. Press lightly with a spatula for even grilling.
8. Flip Carefully
Flip the sandwiches carefully using a spatula. Grill the other side for 3–4 minutes until golden brown and crispy.
9. Check the Filling
Open slightly to make sure tuna is warm and cheese (if used) is melted. Adjust heat if necessary.
10. Serve Immediately
Remove sandwiches from the pan. Cut in half and serve hot for best flavor and texture.
Expert Tips & Variations
- Use tuna in olive oil for richer flavor.
- Add sliced avocado for extra creaminess.
- Replace mayonnaise with Greek yogurt for a healthier option.
- Try adding pickles or cucumber for crunch.
- Use a panini press for perfectly pressed sandwiches.
- Add shredded cheese for a tuna melt variation.
- Use multigrain bread for more fiber and nutrients.
Nutrition Information
| Nutrient | Amount per Serving |
|---|---|
| Calories | 350 kcal |
| Protein | 28 g |
| Carbohydrates | 30 g |
| Fat | 14 g |
| Fiber | 4 g |
| Sodium | 520 mg |
This sandwich is a healthy, protein-rich, and filling meal.
Serving Suggestions
Serve grilled tuna sandwich hot with a side of chips, fresh salad, or soup. Pickles and fresh vegetables enhance the meal. For a picnic, wrap in parchment paper for easy transport. Pair with cold lemonade or iced tea for a complete lunch or dinner. This sandwich is perfect for quick meals or light dinners.
Storage & Reheating Tips
Store leftover grilled tuna sandwiches in an airtight container in the refrigerator for up to one day. Reheat gently in a pan or toaster oven. Avoid microwaving too long to prevent bread from becoming soggy. Assemble vegetables fresh to keep them crunchy when reheating. Tuna filling can also be prepared ahead and stored for up to 2 days.

Grilled Tuna Sandwich Recipe
Ingredients
- 2 cans tuna drained
- 4 slices of whole wheat or white bread
- 2 tablespoons mayonnaise
- 1 teaspoon Dijon mustard
- 1 small onion thinly sliced
- 1 small tomato thinly sliced
- Lettuce leaves
- Salt and black pepper to taste
- 1 tablespoon olive oil or butter for grilling
- Optional: cheese slices or pickles for extra flavor
These are the main Ingredients for Grilled Tuna Sandwich, easy to prepare and tasty.
Instructions
Prepare the Tuna Filling
- In a mixing bowl, combine drained tuna, mayonnaise, mustard, salt, and pepper. Mix until smooth and well combined.
Prepare the Vegetables
- Wash lettuce leaves and slice tomatoes and onions thinly. Set aside for assembling the sandwiches.
Butter the Bread
- Spread a thin layer of olive oil or butter on one side of each bread slice. This will create a golden crispy crust.
Assemble the Sandwich
- Place tuna filling on the unbuttered side of two slices of bread. Top with lettuce, tomato, onion, and optional cheese.
Close the Sandwich
- Place the remaining bread slices on top with the buttered side facing out. Press gently to hold everything together.
Preheat the Pan
- Heat a grill pan or nonstick skillet over medium heat. Make sure it’s hot before placing the sandwiches.
Grill the Sandwich
- Place the sandwiches in the pan. Cook for 3–4 minutes until golden brown. Press lightly with a spatula for even grilling.
Flip Carefully
- Flip the sandwiches carefully using a spatula. Grill the other side for 3–4 minutes until golden brown and crispy.
Check the Filling
- Open slightly to make sure tuna is warm and cheese (if used) is melted. Adjust heat if necessary.
Serve Immediately
- Remove sandwiches from the pan. Cut in half and serve hot for best flavor and texture.
Notes
FAQs about Grilled Tuna Sandwich Recipe
Can I use fresh tuna instead of canned?
Yes, seared fresh tuna steaks work well. Slice thinly and cook quickly before adding to the sandwich.
Is this sandwich healthy?
Yes, it is high in protein, low in sugar, and contains healthy fats from olive oil and tuna.
Can I make this recipe vegetarian?
Yes, replace tuna with chickpeas or mashed white beans mixed with mayonnaise and seasonings.
What bread is best for grilled tuna sandwiches?
Whole wheat, multigrain, or sourdough works best. They hold fillings and become crispy when grilled.
Can I freeze grilled tuna sandwiches?
It is not recommended. Bread becomes soggy when frozen. Assemble fresh for the best taste and texture.
Conclusion
This Grilled Tuna Sandwich Recipe is quick, tasty, and perfect for any meal. It is easy to make with simple ingredients. You now know How to make Grilled Tuna Sandwich step by step.
With helpful tips and variations, you can create your favorite version at home. This sandwich is great for lunch, dinner, picnics or family meals. Try this recipe today for a warm, crispy, and protein-packed sandwich everyone will love.

Sofia Lane is a food lover who loves cooking and sharing easy, tasty recipes. She believes in making cooking simple and fun for everyone. On DiveCrave, Sofia shares her favorite meals, desserts and treats that anyone can make at home.













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