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You are here: Home / Allrecipes / Avocado Tuna Salad Recipe

Avocado Tuna Salad Recipe

Last Modified: June 14, 2025

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This Avocado Tuna Salad is a healthy, protein-packed, low-carb meal that’s quick and easy to make! Featuring flaky tuna, creamy avocado, crisp cucumber, and zesty lemon dressing, this no-mayo tuna salad is fresh, flavorful, and ready in just 10 minutes. Perfect for weight loss, keto, and gluten-free diets, this simple tuna salad recipe makes a great lunch, dinner, or meal prep option. Serve it on toast, in lettuce wraps, or with crackers for a delicious, nutritious meal that’s high in omega-3s, healthy fats, and protein!

Table of Contents

Toggle
    • Ingredients
    • Instructions
  • Tips
  • Variations and Substitutions
  • FAQs
  • Serving Suggestions
  • Why You’ll Love This Recipe

Ingredients

  • 15 oz tuna in oil, drained and flaked (3 small cans)
  • 1 English cucumber, sliced
  • 2 large or 3 medium avocados, peeled, pitted, and sliced
  • 1 small or medium red onion, thinly sliced
  • 1/4 cup fresh cilantro, chopped (about half a small bunch)
  • 2 Tbsp freshly squeezed lemon juice
  • 2 Tbsp extra virgin olive oil
  • 1 tsp sea salt (or to taste)
  • 1/8 tsp black pepper

Instructions

  1. In a large salad bowl, combine the sliced cucumber, avocado, thinly sliced red onion, drained tuna, and chopped cilantro.
  2. Drizzle the salad with lemon juice and olive oil.
  3. Season with sea salt and black pepper, adjusting to taste.
  4. Gently toss all the ingredients together until evenly combined.
  5. Serve immediately and enjoy!

Tips

  • Use high-quality tuna for the best flavor and texture. Tuna packed in oil adds richness, but you can use tuna in water for a lighter version.
  • Ripe avocados make a difference—choose ones that are slightly soft but not mushy.
  • Slice the onion thinly to avoid overpowering the salad’s flavors.
  • Serve immediately to keep the avocado fresh and prevent browning.
  • Chill ingredients before assembling for a refreshing and crisp salad.

Variations and Substitutions

  • Dressing Alternative: Swap olive oil and lemon juice for Greek yogurt or a light mayonnaise dressing.
  • Herb Options: Replace cilantro with parsley, dill, or basil for a different flavor profile.
  • Extra Crunch: Add diced celery, bell peppers, or chopped nuts for texture.
  • Protein Boost: Mix in hard-boiled eggs or chickpeas for additional protein.
  • Spicy Twist: Add red pepper flakes or diced jalapeños for heat.

FAQs

Can I make this salad ahead of time?
Yes! However, to keep the avocado fresh, store the salad without avocado and add it just before serving.

How do I store leftovers?
Store in an airtight container in the fridge for up to a day. Add extra lemon juice to help prevent the avocado from browning.

Can I use canned tuna in water instead of oil?
Yes! Just be sure to drain it well and consider adding an extra drizzle of olive oil for flavor.

Serving Suggestions

  • Serve on toasted bread or crostini for a delicious open-faced sandwich.
  • Pair with crackers or pita chips for a light snack.
  • Enjoy as a lettuce wrap for a low-carb meal.
  • Serve over mixed greens for an extra-fresh salad option.
  • Add to pasta or quinoa for a heartier meal.

Why You’ll Love This Recipe

  • Healthy and nutritious – packed with protein, healthy fats, and vitamins.
  • Quick and easy – ready in just 10 minutes.
  • Light and refreshing – perfect for warm weather meals.
  • Versatile – easy to customize with your favorite ingredients.
  • No cooking required – a simple, fuss-free dish.

This avocado tuna salad is the perfect balance of fresh, creamy, and savory flavors. Whether you’re looking for a healthy lunch, a light dinner, or a protein-packed snack, this salad is a delicious and satisfying choice!

Avocado Tuna Salad Recipe
Print

Avocado Tuna Salad Recipe

Servings

6

servings
Prep time

10

minutes

Ingredients

  • 15 oz tuna in oil, drained and flaked (3 small cans)

  • 1 English cucumber, sliced

  • 2 large or 3 medium avocados, peeled, pitted, and sliced

  • 1 small or medium red onion, thinly sliced

  • 1/4 cup fresh cilantro, chopped (about half a small bunch)

  • 2 Tbsp freshly squeezed lemon juice

  • 2 Tbsp extra virgin olive oil

  • 1 tsp sea salt (or to taste)

  • 1/8 tsp black pepper

Directions

  • In a large salad bowl, combine the sliced cucumber, avocado, thinly sliced red onion, drained tuna, and chopped cilantro.
  • Drizzle the salad with lemon juice and olive oil.
  • Season with sea salt and black pepper, adjusting to taste.
  • Gently toss all the ingredients together until evenly combined.
  • Serve immediately and enjoy!

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