Keto Tuna Melt Poppers Recipe
Introduction
These Keto Tuna Melt Poppers are a delicious and low-carb snack, perfect for satisfying your savory cravings. Mini bell peppers are stuffed with a flavorful tuna mixture, topped with melted cheddar cheese for a warm, cheesy finish.

Ingredients
- 12 mini bell peppers
- 12 oz can of tuna
- 2 tbsp mayo (or Greek yogurt)
- 3 tbsp Dijon mustard
- 1 tsp garlic salt
- 1 tsp onion powder
- Desired amount of cheddar cheese (approximately 3 slices)
Instructions
- Step 1: In a medium bowl, combine tuna, mayo or Greek yogurt, Dijon mustard, garlic salt, and onion powder. Mix well until fully incorporated.
- Step 2: Slice off and discard the stem of each mini bell pepper. Then, slice the peppers in half lengthwise and remove any seeds inside.
- Step 3: Place the pepper halves on a baking sheet and bake in a preheated oven at 375°F (190°C) for about 15 minutes, flipping them halfway through the baking time.
- Step 4: Remove the peppers from the oven and fill each half with the tuna mixture. Top with cheddar cheese slices or shredded cheese.
- Step 5: Return the stuffed peppers to the oven and bake for an additional 5 to 7 minutes, until the tuna filling is hot and the cheese has melted.
Tips & Variations
- Swap mayo for Greek yogurt to lighten the dish and add a tangy flavor.
- Try different cheeses like mozzarella or pepper jack for a different melt and taste.
- Add chopped celery or pickles to the tuna mixture for extra crunch and flavor.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave until warmed through and cheese is melted again.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use regular-sized bell peppers instead of mini ones?
Yes, you can use regular bell peppers, but you may want to cut them into smaller pieces or adjust the baking time accordingly.
Is this recipe suitable for a low-carb diet?
Absolutely. The mini bell peppers and tuna mixture keep this snack low in carbohydrates and high in protein, making it a great keto-friendly option.
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Keto Tuna Melt Poppers Recipe
- Total Time: 32 minutes
- Yield: 12 poppers 1x
- Diet: Low Carb
Description
These Keto Tuna Melt Poppers are a low-carb, flavorful appetizer or snack featuring mini bell peppers stuffed with a savory tuna mixture and topped with melted cheddar cheese. Perfect for a quick keto-friendly bite that packs a punch of protein and taste.
Ingredients
Peppers
- 12 mini bell peppers
Tuna Filling
- 12 oz can of tuna
- 2 tbsp mayo (or Greek yogurt)
- 3 tbsp Dijon mustard
- 1 tsp garlic salt
- 1 tsp onion powder
Topping
- Approximately 3 slices cheddar cheese (or desired amount)
Instructions
- Prepare Tuna Mixture: In a medium bowl, combine the tuna, Greek yogurt or mayo, Dijon mustard, garlic salt, and onion powder. Mix thoroughly to create an evenly flavored filling.
- Prep Peppers: Slice off and discard the stems of the mini bell peppers. Then cut each pepper in half lengthwise and remove any seeds inside to create little pepper boats for stuffing.
- Bake Peppers: Arrange the pepper halves on a baking sheet and bake them at 375°F (190°C) for about 15 minutes, flipping them halfway through to ensure even roasting.
- Stuff and Top: Remove the peppers from the oven and fill each half with the prepared tuna mixture. Place a slice or shredded cheddar cheese on top of the filling.
- Melt Cheese: Return the stuffed peppers to the oven and bake for an additional 5 to 7 minutes, or until the tuna filling is hot and the cheddar cheese has fully melted and become bubbly.
Notes
- You can substitute Greek yogurt for mayo to reduce fat and add protein.
- Use any type of shredded cheese if preferred instead of sliced cheddar.
- Adjust the seasonings (garlic salt and onion powder) to taste or add herbs like parsley or dill for extra flavor.
- Serve warm as a quick snack or appetizer.
- To make it spicier, add a pinch of cayenne or chili flakes to the tuna mixture.
- Prep Time: 10 minutes
- Cook Time: 22 minutes
- Category: Appetizer
- Method: Baking
- Cuisine: American
Keywords: keto tuna melt, tuna poppers, low carb appetizer, keto snacks, stuffed mini peppers

