Low-Carb Tuna Melt Zucchini Boats are a delicious and satisfying meal that combines the classic flavors of a tuna melt with healthy zucchini. This recipe is perfect for those following a low-carb diet, offering a flavorful and filling option that’s easy to prepare. These zucchini boats are loaded with a creamy tuna mixture and topped with melted cheese, making them a delightful choice for lunch or dinner.
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Ingredients
- 4 medium zucchinis (halved lengthwise)
- 2 cans (5 oz each) tuna (drained)
- 1/2 cup Greek yogurt (or mayonnaise)
- 1/4 cup celery (finely chopped)
- 1/4 cup red onion (finely chopped)
- 1 tablespoon Dijon mustard
- 1 teaspoon garlic powder
- Salt and pepper (to taste)
- 1 cup shredded cheese (cheddar, mozzarella, or your choice)
- Fresh parsley (chopped, for garnish, optional)
Timing
Making Low-Carb Tuna Melt Zucchini Boats takes about 10 minutes for preparation and 20 minutes for cooking.
Instructions
Step 1: Prepare the Zucchini
- Preheat Oven: Preheat your oven to 400°F (200°C).
- Scoop Out Zucchini: Using a spoon, scoop out the center of each zucchini half to create boats, leaving about 1/4 inch of flesh around the edges. Place the zucchini halves on a baking sheet.
Step 2: Make the Tuna Filling
- Combine Ingredients: In a medium bowl, mix together the drained tuna, Greek yogurt (or mayonnaise), chopped celery, chopped red onion, Dijon mustard, garlic powder, salt, and pepper. Stir until well combined.
Step 3: Fill the Zucchini Boats
- Stuff Zucchini: Spoon the tuna mixture into each zucchini half, pressing down slightly to pack it in.
- Top with Cheese: Sprinkle the shredded cheese evenly over the filled zucchini boats.
Step 4: Bake
- Bake in Oven: Place the baking sheet in the preheated oven and bake for 15-20 minutes, or until the zucchini is tender and the cheese is melted and bubbly.
Step 5: Serve
- Garnish: Remove from the oven and let cool slightly. Garnish with fresh parsley if desired.
- Enjoy: Serve warm as a main dish or a hearty appetizer.

Nutritional Information
Here’s a quick overview of the nutritional content of Low-Carb Tuna Melt Zucchini Boats (per serving, based on 4 servings):
| Nutrient | Amount per Serving |
|---|---|
| Calories | 250 |
| Protein | 30g |
| Fat | 15g |
| Carbohydrates | 6g |
| Sugar | 2g |
Tips for Customization
- Add More Veggies: Incorporate diced bell peppers, spinach, or mushrooms into the tuna mixture for added nutrition.
- Spice It Up: Add a pinch of cayenne pepper or hot sauce for extra heat.
- Cheese Variations: Experiment with different types of cheese, such as pepper jack for a spicy kick or feta for a tangy flavor.
Storage Instructions
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.
Conclusion
Low-Carb Tuna Melt Zucchini Boats are a tasty and healthy alternative to traditional tuna melts. With their creamy filling and cheesy topping, they make for a satisfying meal that’s both low in carbs and high in flavor!
Low-Carb Tuna Melt Zucchini Boats Recipe
Ingredients
- • 4 medium zucchinis (halved lengthwise)
- • 2 cans (5 oz each) tuna (drained)
- • 1/2 cup Greek yogurt (or mayonnaise)
- • 1/4 cup celery (finely chopped)
- • 1/4 cup red onion (finely chopped)
- • 1 tablespoon Dijon mustard
- • 1 teaspoon garlic powder
- • Salt and pepper (to taste)
- • 1 cup shredded cheese (cheddar, mozzarella, or your choice)
- • Fresh parsley (chopped, optional)
Instructions
- Preheat your oven to 400°F (200°C).
- Using a spoon, scoop out the center of each zucchini half to create boats, leaving about 1/4 inch of flesh around the edges. Place the zucchini halves on a baking sheet.
- In a medium bowl, mix together the drained tuna, Greek yogurt (or mayonnaise), chopped celery, chopped red onion, Dijon mustard, garlic powder, salt, and pepper. Stir until well combined.
- Spoon the tuna mixture into each zucchini half, pressing down slightly to pack it in.
- Sprinkle the shredded cheese evenly over the filled zucchini boats.
- Place the baking sheet in the preheated oven and bake for 15-20 minutes, or until the zucchini is tender and the cheese is melted and bubbly.
- Remove from the oven and let cool slightly. Garnish with fresh parsley if desired.
- Serve warm as a main dish or a hearty appetizer.
Step 1: Prepare the Zucchini
Step 2: Make the Tuna Filling
Step 3: Fill the Zucchini Boats
Step 4: Bake
Step 5: Serve
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