Looking for a delicious, low-carb alternative to the classic tuna melt sandwich? These Tuna Melt Stuffed Bell Peppers are packed with flavor, easy to prepare, and absolutely satisfying. With the perfect blend of creamy tuna salad, gooey melted cheese, and the natural sweetness of bell peppers, this recipe is a must-try! Whether you’re cooking for a quick lunch or meal-prepping for the week, these stuffed peppers will quickly become a favorite.
If you love easy and comforting meals like our Baked Shrimp Scampi or Decadent Chicken Alfredo Pasta, you’re going to adore this tuna melt twist.
Table of Contents
Ingredients
Ingredient | Quantity |
---|---|
Large Bell Peppers (any color) | 4 |
Canned Tuna, drained | 2 cans (5 oz each) |
Mayonnaise | ⅓ cup |
Dijon Mustard | 1 tablespoon |
Celery, finely chopped | 1 stalk |
Red Onion, finely chopped | ¼ cup |
Pickles, chopped (optional) | 2 tablespoons |
Lemon Juice | 1 tablespoon |
Salt and Black Pepper | To taste |
Cheddar Cheese, shredded | 1 cup |
Mozzarella Cheese, shredded | ½ cup |
Fresh Parsley, chopped (optional) | For garnish |

Instructions
- Preheat the Oven:
Preheat your oven to 375°F (190°C). Lightly grease a baking dish and set aside. - Prepare the Bell Peppers:
Slice each bell pepper in half lengthwise and remove the seeds and membranes. Arrange them cut side up in the baking dish. - Make the Tuna Salad:
In a large bowl, combine the drained tuna, mayonnaise, Dijon mustard, celery, red onion, pickles (if using), and lemon juice. Stir everything until well mixed. Season with salt and pepper to your taste. - Stuff the Peppers:
Spoon the tuna mixture evenly into each bell pepper half. Press the filling in gently so it stays packed. - Top with Cheese:
Sprinkle the cheddar and mozzarella cheeses generously over each stuffed pepper. - Bake:
Cover the baking dish loosely with foil and bake for about 20 minutes. Remove the foil and bake for an additional 5–10 minutes, or until the cheese is melted and bubbly. - Garnish and Serve:
Sprinkle with freshly chopped parsley if desired, and serve hot!

Why You’ll Love This Recipe
These Tuna Melt Stuffed Bell Peppers are a healthier twist on the traditional tuna melt. By using bell peppers instead of bread, you get a crunchy, fresh bite without the extra carbs. Plus, they’re a fantastic meal prep option. Pair them with a refreshing side like Quinoa Cannellini Bean Salad for a complete and wholesome meal.
If you’re a fan of creative, easy dishes, you might also enjoy our Smashed Buffalo Potato Salad another perfect side dish!
Tips for the Best Tuna Melt Stuffed Bell Peppers
- Choose firm bell peppers: They hold their shape better during baking.
- Mix up the cheeses: Try adding Monterey Jack or Pepper Jack for a little kick.
- Customize the tuna salad: Add chopped olives, capers, or even a little hot sauce if you like things spicy.
- Make it ahead: Stuff the peppers a day in advance and bake when ready to serve.
Storage and Reheating
These peppers are great for meal prep! Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) until warmed through, or microwave for a quick lunch option.
Frequently Asked Questions
Can I use another protein instead of tuna?
Absolutely! Canned chicken or shredded rotisserie chicken would work wonderfully.
Do I have to pre-cook the peppers?
No need! They soften perfectly in the oven as they bake.
What can I serve with Tuna Melt Stuffed Bell Peppers?
They pair beautifully with a light salad like our Classic Greek Salad or even some crispy Crispy Baked Carrots.
Final Thoughts
This Tuna Melt Stuffed Bell Peppers recipe is simple, flavorful, and a great low-carb meal that doesn’t sacrifice comfort. Whether you’re planning a healthy weeknight dinner or a quick lunch, it’s guaranteed to please. Plus, with ingredients you likely already have in your pantry, it’s a budget-friendly option too!
Looking for more comfort food recipes? Check out our collection of Brownie Recipes for a sweet treat after dinner.
Enjoyed this recipe? Don’t forget to explore more delicious dishes like our Chinese Spring Rolls and Mini Egg Mini Cheesecakes!