Delicious & Easy Keto Tuna Salad Stuffed Avocados: Your Ultimate Low-Carb Lunch
(This post is sponsored by the California Avocado Commission)
Are you searching for a quick, satisfying, and incredibly healthy lunch that perfectly aligns with your low-carb or Keto lifestyle? Look no further! These Keto Tuna Salad Stuffed Avocados, often affectionately called “Avocado Boats,” are about to become your new favorite go-to meal. They are not just visually appealing but also packed with flavor, healthy fats, and a delightful, unexpected crunch thanks to one of my favorite secret ingredients. If you’re a tuna salad enthusiast, or even if you’re not yet, prepare to be amazed by this fresh take on a classic.
For many, tuna salad is a pantry staple, a reliable choice for a quick meal. I confess, as a child, tuna wasn’t high on my list of preferred foods. However, my palate has certainly evolved, and now, when lunchtime rolls around and I’m craving something light, protein-packed, and low in carbohydrates, tuna is often the first thing that comes to mind. Its versatility allows for endless experimentation, making it easy to adapt to whatever ingredients I have on hand in my fridge or pantry, ensuring no two batches are exactly alike – unless I want them to be!
The beauty of a simple tuna salad lies in its accessibility. Most households typically have a can of tuna in the cupboard and mayonnaise in the refrigerator, forming the foundation of this beloved dish. But why settle for ordinary when you can elevate your tuna salad to extraordinary? My personal mission has always been to transform everyday meals into something special, and with tuna salad, that often means focusing on texture. While some prefer the sweetness of pickle relish (a common addition for many!), I find myself leaning towards a savory, crisp alternative that adds an exciting dimension to every bite.
This is where the magic truly happens: incorporating finely diced celery, red onions, and my ultimate secret ingredient – water chestnuts. Yes, water chestnuts! I know, it might sound unconventional, but trust me when I say these humble additions provide an unparalleled crunch and a subtle, earthy flavor that complements the tuna beautifully. It’s a game-changer that will make you rethink everything you thought you knew about tuna salad. Forget soggy, bland versions; this recipe delivers a satisfying textural experience that keeps you coming back for more.
Beyond the tuna salad itself, the other star of this dish is the avocado. We all know how incredibly versatile avocados are, lending their creamy texture and healthy fats to a myriad of dishes. I’ve previously swapped out mayonnaise for mashed avocado in delicious recipes like my Mayo-Free Egg Salad and Chicken Salad Wraps. While using mashed avocado directly in tuna salad is a fantastic option for an even creamier, mayo-free version, this time we’re taking a different, equally brilliant approach.
Instead of blending it in, we’re using fresh, ripe California Avocados as the perfect natural vessel – beautiful, edible “bowls” or “boats” – to hold our flavorful, crunchy Keto Tuna Salad. This method transforms a simple lunch into an elegant, yet effortlessly prepared, culinary delight. Each spoonful offers the ultimate combination of textures: the crisp, savory tuna salad perfectly balanced by the smooth, rich creaminess of the fresh avocado. It’s a harmonious blend that creates a truly unforgettable meal, making it one of my absolute favorite lunches.
Living a low-carb or Keto lifestyle often means seeking out satisfying, nutrient-dense meals that keep you full and energized without derailing your dietary goals. My husband has been diligently following the Keto diet (and I’ve been trying my best to keep up, haha!), and this recipe has become an absolute staple in our household. It’s incredibly simple to prepare, requires minimal cooking, and delivers on both taste and nutritional benefits, making it the ideal answer for a quick and healthy Keto lunch.
Avocados are a cornerstone of the Keto diet, celebrated for their high content of monounsaturated fats, which are crucial for satiety and overall health. They also provide essential vitamins and minerals, including potassium, Vitamin K, Vitamin C, and Vitamin E. Paired with tuna, a lean source of protein rich in Omega-3 fatty acids, this meal becomes a powerhouse of nutrition. It’s designed to fuel your body, support brain health, and help maintain stable blood sugar levels, all while being deliciously satisfying.
Achieving the perfect Keto Tuna Salad Stuffed Avocado is incredibly straightforward, but a few tips can ensure your meal is outstanding every time. First, make sure your tuna is thoroughly drained. Excess water can make your salad soggy, so pressing out as much liquid as possible is key to that desirable texture. When it comes to the “secret” crunchy ingredients – celery, red onion, and water chestnuts – dicing them finely ensures that every bite gets a piece of the action without overpowering the delicate tuna flavor. And of course, seasoning is paramount. Start with the suggested amounts of Kosher salt and pepper, then taste and adjust. You might find you want a little more of one or the other, or perhaps a squeeze of fresh lemon juice for brightness, or a dash of hot sauce for a kick.
While this recipe is fantastic as written, it’s also highly customizable. Feel free to experiment with other low-carb friendly additions. A sprinkle of fresh dill or parsley can add an herbaceous note. A tiny bit of Dijon mustard can deepen the flavor profile of the tuna salad. If you enjoy a touch of heat, a pinch of cayenne pepper or a few dashes of your favorite sugar-free hot sauce can elevate the experience. For those who like a little tang, a tablespoon of apple cider vinegar can also work wonders. The goal is to make it your own and enjoy the process of creating a meal that perfectly suits your taste.
These Tuna Salad Stuffed Avocados are best enjoyed fresh, allowing you to savor the creamy avocado alongside the crunchy tuna salad. However, if you’re looking to meal prep, you can certainly prepare the tuna salad mixture ahead of time and store it in an airtight container in the refrigerator for up to 2-3 days. When you’re ready to eat, simply halve an avocado, pit it, and spoon in your pre-made tuna salad. To prevent the avocado halves from browning too quickly if you need to prepare them slightly in advance, a light squeeze of lemon or lime juice over the cut surface can help. This makes them an excellent option for busy weekdays when you need a quick, healthy, and filling lunch.
We are truly confident that once you try this recipe, it will quickly become a beloved part of your low-carb meal rotation. It perfectly combines ease of preparation with incredible flavor and nutritional benefits. We hope you and your family will enjoy these Keto Tuna Salad Stuffed Avocados as much as we do!

Ultimate Keto Tuna Salad Stuffed Avocados
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Ingredients
- 1 5-oz can Albacore tuna in water, drained
- 1/4 cup Mayonnaise full fat for Keto
- 1/2 tsp. Kosher salt or more to taste
- 1/4 tsp. pepper or more to taste
- Celery finely diced to taste
- Red Onion finely diced to taste
- Water Chestnuts finely diced to taste
- 1 California Avocado halved and pitted
Instructions
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Mix together tuna, mayonnaise, salt, pepper, celery, red onion and water chestnuts. Taste and season accordingly.
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Place mixture inside each avocado half and serve. Enjoy!
Nutrition
If you liked this recipe, you might like these too:
Mediterranean Hummus Tuna Sandwich
Baked Avocado Fries with Homemade Garlic Aioli
Avocado Shrimp Ceviche
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(Thank you to the California Avocado Commission for sponsoring this post!)