Tuna Cucumber Boats

Why You’ll Love This Recipe

Tuna Cucumber Boats are a light, refreshing, and low-carb snack or lunch option that combines the crispness of fresh cucumber with the creamy, savory goodness of tuna salad. They’re quick to make, great for meal prep, and perfect for anyone looking for a healthy and satisfying bite without the bread. Ideal for keto, gluten-free, or low-calorie diets.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

cucumbers (large, firm ones work best)canned tuna (drained)mayonaisegreek yogurt (optional, for added creaminess)celery (finely chopped)red onion (finely diced)lemon juiceDijon mustardsalt and pepperfresh dill or parsley (optional, for garnish)

directions

Slice cucumbers in half lengthwise and use a spoon to gently scoop out the seeds, creating a boat-like shape.

In a mixing bowl, combine the drained tuna, mayonnaise, Greek yogurt (if using), celery, red onion, lemon juice, Dijon mustard, salt, and pepper.

Mix until well combined and creamy.

Spoon the tuna mixture evenly into the cucumber boats.

Garnish with fresh dill or parsley if desired.

Serve immediately or refrigerate until ready to enjoy.

Servings and timing

This recipe yields approximately 4 servings (8 cucumber halves).
Preparation time: 10 minutes
Assembly time: 5 minutes
Total time: 15 minutes

Variations

Add chopped hard-boiled eggs for extra protein.

Top with shredded cheese and broil briefly for a warm version.

Mix in diced pickles or capers for a tangy twist.

Use flavored tuna packets (like lemon pepper or spicy Thai) for added zest.

Swap Greek yogurt for mashed avocado for a dairy-free option.

storage/reheating

Store any leftover tuna filling in an airtight container in the fridge for up to 3 days.
Cucumber boats are best assembled fresh, but you can prep the cucumber halves and tuna filling ahead and assemble when ready to serve.
Do not freeze, as cucumbers do not thaw well and will become watery.

Tuna Cucumber Boats

FAQs

Can I make these ahead of time?
Yes, prep the filling and cucumber boats separately and assemble just before serving.

Are they keto-friendly?
Absolutely! They’re low in carbs and high in protein and healthy fats.

Can I use other vegetables instead of cucumber?
Yes, try using bell pepper halves, celery sticks, or endive leaves.

What kind of tuna is best?
Solid white albacore in water is preferred for its texture and clean flavor.

How do I make it spicier?
Add chopped jalapeños, hot sauce, or a pinch of cayenne pepper.

Is there a vegan alternative?
You can replace tuna with mashed chickpeas and use vegan mayo for a plant-based option.

Conclusion

Tuna Cucumber Boats are a fast, nutritious, and delicious way to enjoy a protein-packed snack or meal. With their crunchy texture and creamy filling, they’re sure to become a go-to favorite, especially when you’re short on time but still want something fresh and satisfying.

Print
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Tuna Cucumber Boats

Tuna Cucumber Boats

  • Author: simplemealsbykim
  • Prep Time: 10 minutes
  • Cook Time: 0 minutes
  • Total Time: 10 minutes
  • Yield: 4 servings
  • Category: Snack
  • Method: No-Cook
  • Cuisine: American

Description

Tuna cucumber boats are a light and refreshing low-carb snack or meal featuring crisp cucumber halves filled with a flavorful tuna salad mixture.


Ingredients

  • 2 large cucumbers
  • 1 (5 oz) can tuna, drained
  • 2 tablespoons mayonnaise
  • 1 teaspoon Dijon mustard
  • 1 tablespoon finely chopped red onion
  • 1 tablespoon chopped fresh dill (optional)
  • Salt and pepper to taste
  • 1 teaspoon lemon juice


Instructions

  1. Wash the cucumbers and cut them in half lengthwise. Scoop out the seeds using a spoon to create a boat-like shape.
  2. In a bowl, combine the tuna, mayonnaise, Dijon mustard, red onion, dill (if using), lemon juice, salt, and pepper. Mix well.
  3. Fill each cucumber boat with the tuna mixture, pressing down slightly to ensure it stays in place.
  4. Serve immediately or refrigerate for 10–15 minutes to chill before serving.

Notes

  • For added crunch, sprinkle with chopped celery or bell peppers.
  • Use Greek yogurt instead of mayonnaise for a healthier option.
  • Great as an appetizer or a light lunch.