Tuna Avocado Cucumber Boats

Featured in: Desserts For Any Day

This dish features crunchy cucumber boats filled with a creamy blend of ripe avocado and zesty tuna, accented by fresh herbs and a bright lemon dressing. Ready in 10 minutes without cooking, it's a fresh, nourishing option suitable for gluten-free and low-carb preferences. Customize with your choice of herbs or add a spicy kick for extra flavor. Serve chilled for a refreshing light meal.

Updated on Sat, 14 Feb 2026 11:26:54 GMT
Crisp cucumber boats filled with zesty tuna and avocado salad for a fresh, low-carb lunch. Save
Crisp cucumber boats filled with zesty tuna and avocado salad for a fresh, low-carb lunch. | sweetasirem.com

These Tuna Avocado Cucumber Boats are a delightful combination of fresh, crisp cucumbers and creamy, protein-packed filling. Perfect for a light lunch or healthy snack, these boats offer a satisfying crunch with every bite while keeping your meal low-carb and nutritious. The bright flavors of lemon, herbs, and Dijon mustard complement the richness of avocado and tuna, creating a balanced dish that's as pleasing to the palate as it is to the eye.

Crisp cucumber boats filled with zesty tuna and avocado salad for a fresh, low-carb lunch. Save
Crisp cucumber boats filled with zesty tuna and avocado salad for a fresh, low-carb lunch. | sweetasirem.com

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The beauty of these cucumber boats lies in their simplicity. With minimal prep work and zero cooking time, you can create an elegant, nutritious meal that looks as though it took much more effort than it actually did. The combination of cool cucumber with the creamy, zesty filling makes these boats particularly refreshing on warm days when you want something light yet satisfying.

Ingredients

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  • 2 large cucumbers
  • 1 ripe avocado, diced
  • 1 (5 oz / 140 g) can tuna in water, drained
  • 2 tablespoons red onion, finely chopped
  • 1 tablespoon fresh parsley or cilantro, chopped
  • 1 tablespoon lemon juice
  • 1 teaspoon olive oil
  • ½ teaspoon Dijon mustard
  • Salt and freshly ground black pepper, to taste

Instructions

Step 1: Prepare the cucumber boats
Slice the cucumbers in half lengthwise. Use a spoon to gently scrape out the seeds, creating boats.
Step 2: Mix the filling
In a bowl, combine the diced avocado, drained tuna, red onion, and parsley or cilantro.
Step 3: Make the dressing
In a small bowl, whisk together the lemon juice, olive oil, Dijon mustard, salt, and pepper.
Step 4: Combine
Pour the dressing over the tuna-avocado mixture and mix gently until well combined.
Step 5: Fill the cucumber boats
Spoon the filling evenly into the cucumber boats.
Step 6: Serve
Serve immediately, garnished with extra herbs if desired.

Zusatztipps für die Zubereitung

For the best texture contrast, don't let the prepared cucumber boats sit too long before serving. The salt in the filling will draw moisture from the cucumbers, potentially making them less crisp. If you need to prepare ahead, keep the filling and cucumber boats separate until just before serving. Pat the cucumber boats dry with a paper towel if they release excess moisture.

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Varianten und Anpassungen

This versatile recipe welcomes many adaptations. For a vegetarian version, replace the tuna with mashed chickpeas or white beans. Mediterranean lovers might add chopped Kalamata olives, feta cheese, and a touch of oregano. For an Asian twist, mix in a teaspoon of soy sauce and sesame oil instead of the Dijon dressing, and top with sesame seeds and green onions. Those avoiding fish can use shredded rotisserie chicken as noted in the recipe tips.

Serviervorschläge

These cucumber boats make an elegant appetizer when cut into smaller sections. For a more substantial meal, serve alongside a light soup or a small portion of whole grain crackers. They also pair wonderfully with a chilled gazpacho in summer or a warm miso soup in cooler months. For entertaining, arrange the boats on a platter with lemon wedges and extra herbs for a visually appealing presentation that guests can customize to their taste.

Fresh cucumber halves stuffed with creamy tuna-avocado mixture, perfect for quick meal prep. Save
Fresh cucumber halves stuffed with creamy tuna-avocado mixture, perfect for quick meal prep. | sweetasirem.com

These Tuna Avocado Cucumber Boats exemplify how healthy eating doesn't have to be complicated or time-consuming. With just a few quality ingredients and minimal prep work, you can create a meal that nourishes your body while delighting your senses. Whether you're making them for a quick lunch, a light dinner, or sharing them as an appetizer with friends, these fresh, flavorful boats are sure to become a regular in your meal rotation.

Recipe FAQs

How do I prepare the cucumber boats?

Slice cucumbers lengthwise and scoop out the seeds gently with a spoon to create hollow boats for filling.

Can I substitute ingredients in the filling?

Yes, you can swap the tuna for shredded chicken or chickpeas and add diced tomatoes or bell peppers for extra crunch.

What dressing is used for the filling?

A simple dressing of lemon juice, olive oil, Dijon mustard, salt, and pepper adds bright, balanced flavors to the tuna and avocado.

Is this dish suitable for special diets?

It is gluten-free, low-carb, and dairy-free, making it suitable for various dietary preferences.

How should I serve the cucumber boats?

Serve them immediately after filling, garnished with extra herbs, or chilled for enhanced flavor and texture.

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Tuna Avocado Cucumber Boats

Crisp cucumber halves filled with a zesty tuna and avocado mix, ideal for a fresh, light lunch.

Prep Time
10 mins
0
Overall Duration
10 mins
Created by Ariel Monroe


Skill Level Easy

Cuisine Type International

Makes 2 Number of servings

Diet-Friendly Options No Dairy, Free from Gluten, Reduced Carbs

What You'll Need

Main

01 2 large cucumbers
02 1 ripe avocado, diced
03 1 can (5 oz) tuna in water, drained

Vegetables & Herbs

01 2 tablespoons red onion, finely chopped
02 1 tablespoon fresh parsley or cilantro, chopped

Dressing

01 1 tablespoon fresh lemon juice
02 1 teaspoon extra virgin olive oil
03 ½ teaspoon Dijon mustard
04 Salt and freshly ground black pepper to taste

Step-by-Step Guide

Step 01

Prepare Cucumber Boats: Slice cucumbers in half lengthwise. Using a spoon, gently scrape out seeds to create hollow boats, being careful not to puncture the skin.

Step 02

Combine Filling Base: In a mixing bowl, combine diced avocado, drained tuna, chopped red onion, and fresh parsley or cilantro.

Step 03

Prepare Dressing: In a small bowl, whisk together lemon juice, olive oil, Dijon mustard, salt, and black pepper until emulsified.

Step 04

Combine Filling: Pour dressing over tuna-avocado mixture and fold gently until evenly coated.

Step 05

Assemble Boats: Spoon filling mixture evenly into prepared cucumber boats.

Step 06

Serve: Serve immediately or refrigerate until ready to consume. Garnish with additional fresh herbs if desired.

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Equipment Needed

  • Sharp knife
  • Spoon
  • Mixing bowl
  • Small whisk or fork

Allergy Details

Always check ingredient labels for allergens and talk to a medical expert if needed.
  • Contains fish (tuna)
  • Contains mustard
  • Check product labels for potential cross-contamination warnings

Nutrition Details (per portion)

Nutrition details are just for reference. For medical matters, consult a professional.
  • Energy: 220
  • Fats: 12 g
  • Carbohydrates: 10 g
  • Proteins: 18 g

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