Tuna Melt Recipe (High Protein, Load) – Skinnytaste

Tuna Melting Recipe – Classic healthy twist, made open and vegetarian for added crunch, melted cheese and good flavor.

Tuna Melted Sandwich Recipe
This tuna melting recipe is everything you love about classics (malt cheese, savory tuna and crispy bread), but comes with a fresh vegetarian package. Cut the carbs open with an open face, high in protein and fast-made, perfect for lunch or light dinner (soup or salad). I do it at least once a week – this is my favorite protein lunch when I want warm, stuffed and don’t have time to cook. I even got my husband Tommy on board and he loved them! If you crave healthier tuna melts and it can still flavour, this is for you! For more high-protein meals, don’t miss my chicken salad or high-protein egg salad – they are perfect for meal preparation!
The ingredients you need
Here’s everything you need to make this healthy, open tuna melt sandwich. See the exact measurements in the recipe card.
- Canned tuna – The foundation of the melt; I filled it with water and a lighter option
- Carrots, celery and red onions – Finely chopped to crisp, color and extra veggies
- Light egg mayonnaise -Bind the mixture with cream texture (I use Hellmann’s light)
- Red wine vinegar – Increase brightness and a little irritation
- Salt and black pepper – Adjust everything correctly
- Whole wheat bread -or whole grain bread, sturdy and toast, perfect for open melting (or using your favorite gluten-free bread)
- Reduce fat cheddar or American cheese – No excess fat melting and satisfying
- Tomato slices – Juicy and fresh, layered under the cheese
- Olive oil spray – Helps to crisp when toast or toast
How to Melt Tuna
This is an easy step-by-step approach. See the recipe card for printable instructions.


- Making Tuna Salad: Start with a can of tuna, drain, and mix mayonnaise, chopped red onion, celery, carrots and small red wine vinegar. The vinegar brings a little sesame oil to it and makes it delicious!
- Make Tuna Melt Sandwich: Heat a frying pan or barbecue over low heat and spray with olive oil.
- Add bread, cheese, tuna salad and tomato. Cover and cook on low heat until the cheese melts and bread toast. Service now.


yield: 2 Serve
Service size: 1 Open face sandwich
Mix together tuna, celery, carrots, onion, mayonnaise, vinegar, salt and pepper.
Heat a large skillet or barbecue over low heat.
Spray the skillet with oil and place two slices of bread on top.
Top with cheese, followed by tuna salad and tomato. Cover and cook on low heat until the cheese melts and bread toast. Service now.
The final step:
Please leave a rating and comment and let us know you like this recipe! This helps our business thrive and continues to provide you with free high-quality recipes.Serve: 1 Open face sandwich,,,,, Calories: 231 KCAL,,,,, carbohydrate: 14.5 g,,,,, protein: 28.5 g,,,,, Fatty: 6.5 g,,,,, Saturated fat: 1 g,,,,, fiber: 3.5 g
Variations:
- The best bread for melted tuna? That will be your favorite bread. Swap the whole grain bread for rye or sourdough. Homemade bagels, British muffins and even tortillas will work!
- Switch cheese: Depend on your flavor, not sharp cheddar, Swiss, provolone or mozzarella.
- Hate tuna? Use chopped chicken instead.
- Skip bread? Try these low carb tomato tuna melt.
FAQ
Q: One or two slices of bread in size?
A: The recipe makes two open sandwiches – so the edible size is a slice with toppings.
Q: Do bread and cheese include in nutritional information?
A: Yes, the calorie count includes tuna mixture, bread and cheese.
Q: Can I melt cheese with air frying cheese?
Answer: Yes! Some readers like to pop it out for a few minutes to melt the cheese and heat the bread.
Q: How long does the tuna mixture last in the refrigerator?
A: It should last up to 4 days in the sealed container. Perfect for dining preparation!
Q: Can I replace ingredients such as vinegar or mayonnaise?
A: Absolutely – See community test swaps like lemon juice, Greek yogurt and seafood sauce below!
Can I melt this tuna in a toaster or fryer?
Yes! Both are good-toast until the bread turns golden and the cheese melts.
Tips and changes from the Skinnytaste community
These tips are summarized from the comments below:
- No cheese? no problem! Tara skips cheese and still loves it
- Using a fryer: Bkidd melted the cheese and heated the bread in the fryer to make it crispy.
- Try salmon: Nina made a delicious change with pink salmon instead of tuna.
- Lemon instead of vinegar: Kathleen recommends using Meyer lemon juice and warm the rind to make it shiny.
- Extra veggies: Frances adds steamed broccoli, even red grapes, to make it a sweet mixture.
- Prepare to win: Multiple readers doubled the recipe and will mix the quick lunch in the library throughout the week.
- Lighter swaps: Madison lacks mayonnaise, thanks to the crunch of carrots and onions, while others cover it with Greek yogurt or using WW-friendly bread.
- Creative Add-ons: Readers added curry powder, hoisin sauce, fresh herbs, avocado, red bell chili, and even cranberry juice – yes, it worked!
What is your favorite way to make tuna melt?

More Canned Tuna Recipes You Will Love
Melt is one of my favorite types of hot sandwiches – they are fast, satisfying and unlimited customization. If you prefer a warm and melting lunch, try the following:
Looking for more ways to use canned tuna? Here are some readers’ favorites: