Avocado Tuna Salad with Boiled Egg

Chloe

Nurturing taste buds (and souls) with every recipe.

Of all the lunchtime classics, tuna salad holds a special, nostalgic place in my heart. But for years, I found myself in a culinary rut. The traditional, mayonnaise-heavy version felt a bit one-dimensional and, frankly, heavier than what I wanted for a midday meal. I was on a mission to reinvent this staple into something vibrant, nutritious, and exciting. That’s when the magic of avocado entered the picture. I’ll never forget the first time I whipped up this Avocado Tuna Salad with Boiled Egg. I was skeptical if the avocado could truly replace the creamy texture of mayo. My family, ever the discerning food critics, watched with curiosity. The result was nothing short of a revelation. The rich, buttery avocado melded perfectly with the savory tuna, while the pop of zesty lemon juice and fresh herbs brightened every single bite. The chopped boiled egg added a familiar, comforting heartiness that made it feel both new and classic at the same time. It was an instant hit. Now, this recipe isn’t just a “healthy alternative” in our house; it’s the preferred version. It’s the quick lunch I turn to on busy work-from-home days, the satisfying filling for weekend sandwiches, and the protein-packed meal I rely on after a workout. It’s creamy, flavorful, and packed with goodness, proving that you don’t need a single drop of mayonnaise to create the most delicious tuna salad you’ve ever had.

Ingredients

Here is everything you will need to create this incredibly creamy and flavorful tuna salad. Each ingredient plays a crucial role in building the perfect balance of taste and texture.

  • Canned Tuna (2 cans, 5 oz each): Use high-quality tuna packed in water or olive oil, drained thoroughly to prevent a watery salad.
  • Large Ripe Avocados (2): These are the star of the show, providing the rich, creamy base that replaces traditional mayonnaise. Ensure they are soft to the touch but not mushy.
  • Hard-Boiled Eggs (3): Perfectly boiled eggs add a wonderful, hearty texture and a boost of protein, making the salad more substantial.
  • Red Onion (1/2, small): Finely chopped to provide a sharp, zesty crunch and a beautiful purple hue that contrasts with the green avocado.
  • Celery (2 stalks): Finely chopped for an essential fresh, crisp texture and subtle savory flavor.
  • Fresh Lemon Juice (2 tablespoons): This is non-negotiable. It adds brightness, cuts through the richness, and helps prevent the avocado from browning too quickly.
  • Fresh Dill (2 tablespoons, chopped): Its unique, slightly tangy flavor profile pairs exquisitely with both tuna and egg.
  • Fresh Parsley (2 tablespoons, chopped): Adds a clean, peppery freshness that lifts all the other flavors.
  • Dijon Mustard (1 teaspoon): Provides a subtle, tangy depth and helps to emulsify the “dressing.”
  • Salt (1/2 teaspoon, or to taste): Essential for bringing all the individual flavors together.
  • Black Pepper (1/4 teaspoon, freshly ground): Adds a gentle, spicy warmth.

Instructions

Follow these simple steps to assemble your delicious and healthy avocado tuna salad. The key is to prepare your ingredients properly and gently fold them together to maintain a pleasant texture.

  1. Prepare the Hard-Boiled Eggs: Place the eggs in a saucepan and cover them with cold water by at least an inch. Bring the water to a rolling boil over high heat. Once boiling, turn off the heat, cover the pot, and let the eggs sit for 10-12 minutes. Afterward, transfer the eggs to a bowl of ice water to stop the cooking process. This also makes them easier to peel. Once cooled, peel the eggs and give them a rough chop. Set them aside.
  2. Create the Creamy Avocado Base: Cut the avocados in half, remove the pits, and scoop the flesh into a medium-sized mixing bowl. Using a fork, mash the avocado until it reaches your desired consistency. For a super creamy salad, mash it until it’s smooth. For a chunkier texture, leave some small lumps. Immediately add the 2 tablespoons of fresh lemon juice and the 1 teaspoon of Dijon mustard to the mashed avocado. Mix well. The acid from the lemon juice and mustard is key to preventing the avocado from oxidizing and turning brown.
  3. Prepare the Mix-Ins: While your eggs are boiling, you can prep the rest of your vegetables. Finely chop the red onion and celery. The smaller the dice, the more evenly the flavor and crunch will be distributed throughout the salad. Finely chop your fresh dill and parsley as well. Having all your components ready to go makes the final assembly quick and easy.
  4. Combine the Ingredients: To the bowl with the mashed avocado mixture, add the drained canned tuna. Use a fork to break up the tuna and gently mix it into the avocado until it’s well combined.
  5. Fold in the Remaining Components: Add the chopped hard-boiled eggs, finely chopped red onion, celery, fresh dill, and fresh parsley to the bowl. Sprinkle in the salt and freshly ground black pepper.
  6. Gently Mix: Using a spatula or a large spoon, gently fold all the ingredients together. Be careful not to overmix, as you want to maintain the distinct textures of the chopped egg, celery, and onion. Overmixing can result in a mushy texture.
  7. Taste and Adjust: Give your tuna salad a final taste. This is your opportunity to perfect it. Does it need more salt to enhance the flavors? A bit more lemon juice for brightness? An extra crack of black pepper for spice? Adjust the seasonings according to your preference.
  8. Serve or Chill: Your Avocado Tuna Salad with Boiled Egg is ready to be served immediately. For the best flavor, you can cover it and let it chill in the refrigerator for about 30 minutes. This allows the flavors to meld together beautifully.

Nutrition Facts

This recipe is designed to be as nourishing as it is delicious, packed with healthy fats, protein, and essential nutrients.

  • Servings: This recipe makes approximately 4 servings.
  • Calories Per Serving: Approximately 380-420 kcal.
  1. High in Protein (Approx. 25g per serving): The combination of tuna and boiled eggs makes this salad a protein powerhouse. Protein is crucial for building and repairing tissues, supporting muscle mass, and keeping you feeling full and satisfied for hours.
  2. Rich in Healthy Monounsaturated Fats (Approx. 22g per serving): The avocado provides an abundance of healthy fats, which are beneficial for heart health. These fats can help reduce bad cholesterol levels (LDL) and are essential for brain function.
  3. Excellent Source of Omega-3 Fatty Acids: Tuna is a fantastic source of omega-3s, a type of polyunsaturated fat known for its anti-inflammatory properties and its role in supporting cardiovascular and cognitive health.
  4. Good Source of Fiber (Approx. 7g per serving): With contributions from the avocado, celery, and onion, this salad provides a decent amount of dietary fiber. Fiber is vital for digestive health, helps regulate blood sugar levels, and contributes to feelings of fullness.
  5. Low in Carbohydrates: This recipe is naturally low in carbs, making it an excellent choice for those following a low-carb, keto, or paleo-friendly lifestyle, especially when served in lettuce cups or with vegetable sticks.

Preparation Time

This recipe is perfect for a quick and easy meal, with most of the time dedicated to boiling the eggs.

  • Prep Time: 15 minutes (chopping vegetables, mashing avocado)
  • Cook Time: 12 minutes (for the hard-boiled eggs)
  • Total Time: Approximately 27 minutes

It’s an ideal under-30-minute meal that doesn’t compromise on flavor or nutrition, making it perfect for busy weekdays or a lazy weekend lunch.

How to Serve

The versatility of this Avocado Tuna Salad is one of its greatest strengths. It can be adapted for any meal, craving, or dietary need. Here are some of our favorite ways to enjoy it:

  • The Classic Sandwich or Wrap:
    • Sandwich: Spoon a generous amount between two slices of your favorite bread. Toasted sourdough, hearty whole wheat, or a soft brioche bun all work wonderfully. Add a leaf of lettuce and a slice of tomato for a classic deli-style experience.
    • Wrap: Spread the tuna salad down the center of a large flour, whole wheat, or spinach tortilla. Add some fresh spinach or arugula, roll it up tightly, and enjoy a portable, mess-free lunch.
  • Low-Carb and Keto-Friendly Vessels:
    • Lettuce Cups: Use large, crisp leaves of butter lettuce, romaine, or iceberg as a “boat” for the salad. It’s a refreshing, crunchy, and incredibly light way to eat.
    • Stuffed Bell Peppers: Cut a bell pepper (any color!) in half and remove the seeds. Fill each half with the tuna salad for a colorful and nutrient-dense meal.
    • Cucumber Boats: Slice a large cucumber in half lengthwise and scoop out the seeds with a spoon. Fill the hollowed-out center with the salad for a cool and crisp bite.
    • Stuffed Tomatoes or Avocados: For a truly impressive presentation, hollow out a large, ripe tomato or even the other half of an avocado and stuff it with the tuna salad.
  • As a Vibrant Salad Topper:
    • Create a bed of mixed greens, baby spinach, or arugula. Add some cherry tomatoes, sliced cucumbers, and maybe some Kalamata olives. Top with a large scoop of the avocado tuna salad to create a complete, protein-packed “Salad-on-a-Salad.” It acts as both the protein and the creamy dressing.
  • As a Snack or Appetizer:
    • Serve it as a dip with an array of dippers like whole-grain crackers, pita chips, pretzel thins, or fresh vegetable sticks like carrots, celery, and bell pepper strips. It’s a guaranteed crowd-pleaser.
  • The Ultimate Tuna Melt:
    • Turn this recipe into a gourmet tuna melt. Spoon the salad onto a slice of sturdy bread, top with a slice of cheese (provolone, cheddar, or Swiss work well), and toast it in a pan with a little butter or in a toaster oven until the bread is golden and the cheese is perfectly melted and gooey.

Additional Tips

Unlock the full potential of your tuna salad and customize it to perfection with these eight expert tips.

  1. Choose the Perfect Avocado: The success of this recipe hinges on the ripeness of your avocado. Look for an avocado that yields to gentle pressure but isn’t overly soft or mushy. If you can easily flick off the small stem cap at the top and it’s green underneath, you’ve found a winner. If it’s brown, the avocado is likely overripe.
  2. Master the Art of Preventing Browning: While lemon juice is your first line of defense, for longer storage, press a piece of plastic wrap directly onto the surface of the tuna salad, ensuring no air is touching it. This physical barrier significantly slows down the oxidation process and keeps it looking fresh.
  3. Control the Creaminess: The ratio of avocado to tuna determines the creaminess. If you prefer a very rich, ultra-creamy salad, use two full avocados. If you like it a bit more tuna-forward with just a hint of creaminess, start with one and a half avocados and add more as needed.
  4. Add a Surprising Crunch: While celery provides a classic crunch, don’t be afraid to experiment. Add a quarter cup of chopped walnuts or pecans for a nutty flavor, or try sunflower seeds for a smaller, more delicate crunch. Finely diced water chestnuts also add a wonderful texture.
  5. Turn Up the Heat and Spice: For those who like a little kick, this recipe is a perfect canvas. Add a pinch of cayenne pepper, a dash of your favorite hot sauce (like Sriracha or Tabasco), or some finely diced jalapeño (with or without seeds) to the mix for a gentle or fiery heat. A pinch of smoked paprika can also add a lovely, smoky depth.
  6. The Great Tuna Debate: Oil vs. Water: The type of canned tuna you use can subtly change the final dish. Tuna packed in oil tends to be more flavorful and have a softer, more tender texture. Tuna packed in water is leaner and allows the other flavors, like the avocado and herbs, to shine more brightly. Both work well, so choose based on your personal preference. Just remember to drain it very well.
  7. Don’t Skimp on Fresh Herbs: While dried herbs can be used in a pinch, fresh herbs make a world of difference. The bright, clean flavors of fresh dill and parsley are what elevate this salad from good to great. If you must use dried, use about one-third of the amount called for in the recipe (e.g., 2 teaspoons of dried dill instead of 2 tablespoons of fresh).
  8. Balance is Key – The Final Taste Test: The final taste test is the most important step. Richness from the avocado, saltiness from the tuna, sharpness from the onion, and brightness from the lemon need to be in harmony. If it tastes a bit flat, it almost always needs a touch more salt or another squeeze of lemon juice to make the flavors pop.

FAQ Section

Here are answers to some of the most common questions about making this Avocado Tuna Salad with Boiled Egg.

1. Can I make this tuna salad ahead of time?
Yes, you can, with a few considerations. The avocado will naturally start to oxidize and brown over time. To prepare it ahead, you can mix all the ingredients except for the avocado. Store this mixture in an airtight container in the fridge. When you’re ready to serve, mash the avocado with the lemon juice and fold it into the pre-mixed ingredients. If you must make the entire salad ahead, ensure you use plenty of lemon juice and press plastic wrap directly onto the surface of the salad before sealing the container. It’s best consumed within 24 hours for optimal freshness and color.

2. Is this avocado tuna salad recipe healthy?
Absolutely. It’s significantly healthier than traditional mayonnaise-based tuna salads. It’s packed with heart-healthy monounsaturated fats from the avocado, lean protein from the tuna and eggs, and omega-3 fatty acids. It’s also rich in fiber and essential nutrients while being free from the processed oils and additives often found in store-bought mayonnaise.

3. Can I use something other than tuna?
Of course! This recipe is very adaptable. You can easily substitute the canned tuna with canned salmon for a different flavor profile and an even bigger boost of omega-3s. Shredded cooked chicken or even mashed chickpeas (for a vegetarian version) are also fantastic alternatives that work beautifully with the creamy avocado base.

4. How do I know if my avocado is perfectly ripe?
A ripe avocado for this recipe should feel slightly soft when you gently squeeze it in the palm of your hand, but it shouldn’t feel mushy or have indentations. Another great trick is to check under the stem. If you can easily flick off the little cap and the area underneath is green, it’s ready. If it’s brown, it’s overripe, and if the stem doesn’t come off easily, it needs another day or two to ripen on your counter.

5. What can I use if I don’t have fresh dill or parsley?
Fresh herbs are highly recommended for the best flavor, but you can substitute them if needed. For a different fresh herb profile, chives or cilantro could work. If using dried herbs, a general rule of thumb is to use one-third the amount of fresh. So for this recipe, you would use about 2 teaspoons of dried dill and 2 teaspoons of dried parsley.

6. Is this recipe keto-friendly and low-carb?
Yes, it is inherently keto-friendly and low-carb. All the core ingredients—tuna, avocado, egg, and non-starchy vegetables—are very low in carbohydrates. To keep your meal fully keto, serve the salad in lettuce cups, with celery sticks, in hollowed-out bell peppers, or simply on its own, rather than with bread or crackers.

7. How long will this avocado tuna salad last in the refrigerator?
Due to the avocado, this salad is best enjoyed fresh. It will last for up to 2 days in the refrigerator when stored properly in an airtight container with plastic wrap pressed against the surface. You may notice some slight browning on the top layer, but you can simply scrape it off or mix it in; it will still be perfectly safe and delicious to eat.

8. My tuna salad tastes a little bland. How can I fix it?
If your salad is lacking flavor, there are a few easy fixes. First, add a pinch more salt, which is the most common culprit for blandness. Next, try another squeeze of fresh lemon juice to brighten everything up. A little more Dijon mustard can add tang, or you could add a small amount of a flavorful ingredient like capers, chopped pickles, or a splash of pickle relish for a sweet and tangy boost.