Tuna Stuffed Avocados
A quick, no-cook snack or light lunch: creamy avocado halves filled with a bright, protein-rich tuna salad. Ready in about 15 minutes, this healthy recipe is perfect for meal-prep, picnics, or an easy weekday bite.
Jake's note
"This is a fast, refreshing riff on tuna salad that keeps things light with Greek yogurt and ripe avocado. It shines as a weekend snack, quick lunch, or healthy appetizer for guests."
Tuna Stuffed Avocados
Creamy avocado and bright, protein-rich tuna are a natural pairing, and this version leans into contrast: the plush, buttery avocado halves cradle a lemony, tang-forward tuna salad made with Greek yogurt instead of mayo, which keeps the filling lively and a little lighter. Crisp bits of celery and sharp, finely diced red onion give the mixture necessary crunch and bite while a scatter of cilantro or chives lifts the whole bite; folding reserved avocado flesh back into the tuna is an easy trick that makes the filling silkier and helps the two components meld. Using tuna packed in water and draining it well keeps the texture flaky rather than oily, which matters when you’re spooning it into a delicate avocado cavity.
This dish shines as a quick lunch, an appetizer for casual gatherings, or a portable snack for picnics because it needs no cooking and assembles in minutes. It’s forgiving: tolerate slightly underripe avocados by letting them sit a few hours, or scoop more flesh into the mix if they’re on the small side. Make the tuna mixture the day before for an effortless grab-and-go meal—just wait to stuff the avocados until right before serving so the fruit keeps its fresh color and creamy mouthfeel.
Plan your timing
Ingredients
Instructions
Prepare the avocados
For this step
- 2 medium avocadosRipe avocados
Make the tuna filling
For this step
- 10 oz (drained)Canned tuna (packed in water), drained and flaked
- 0.25 cupPlain Greek yogurt
- 2 tbspRed onion, finely diced
- 0.25 cupCelery, finely chopped
- 1 tbspFresh lemon juice
- 0.5 tspKosher salt
- 0.25 tspFreshly ground black pepper
Taste and adjust seasoning
Stuff the avocado halves
Garnish and serve
For this step
- 2 tbspFresh cilantro or chives, chopped (for garnish)
Tips from the kitchen
Pick avocados by feel
Gently squeeze near the stem; ripe avocados yield slightly without feeling mushy, and a stem that peels off to green indicates good interior color.
Thoroughly drain tuna
Press the drained tuna against the bowl with a fork or use a sieve so excess liquid doesn’t water down the yogurt and make the filling runny.
Fold in reserved avocado
If you scooped out extra flesh, fold it into the tuna at the end for silkier texture and to tie the flavors together.
Season last, taste often
Salt suppresses the perception of lemon and onion, so taste and adjust seasoning after combining the components rather than before.
Keep avocados cool
Chill halved avocados briefly before stuffing to slow browning and help the filling hold its shape on the fruit’s surface.
Variations & substitutions
Mediterranean twist
Stir in diced cucumber, chopped Kalamata olives, and a teaspoon of capers, and swap cilantro for parsley for a briny, herb-forward profile.
Spicy sriracha kick
Add a teaspoon or two of sriracha and a squeeze of lime instead of lemon, and top with pickled jalapeño slices for heat and acidity.
Vegetarian chickpea option
Mash drained chickpeas with the yogurt, lemon, onion, and celery to replace tuna for a plant-based version with similar texture and protein.
Smoked salmon deluxe
Replace tuna with flaked smoked salmon, omit the red onion if you prefer subtler bite, and finish with dill and a few capers for a brunch-ready upgrade.
Storage & make-ahead
Store any leftover tuna mixture separately in an airtight container in the fridge for up to 3 days; keeping it separate prevents the avocado from becoming soggy. If you’ve already stuffed the avocados, eat them within a few hours or at most overnight—brush the exposed flesh with lemon juice and cover tightly to slow browning. Do not freeze assembled avocados; the texture will degrade.
What to serve with it
Serve stuffed avocados on a platter with lemon wedges and a scattering of microgreens or arugula for color and peppery contrast. Offer sturdy crackers or toasted sourdough slices alongside so guests can scoop the filling, and pair with a crisp white wine like Sauvignon Blanc or a citrus-forward pale ale to complement the lemony tuna.
Frequently asked questions
Can I use mayonnaise instead of Greek yogurt?
Yes — mayonnaise will make the filling richer and silkier, but start with less (about two tablespoons) and adjust to taste because it’s heavier than yogurt.
How do I keep the avocados from turning brown?
Brush the exposed flesh with lemon juice, tuck the pit back into one of the halves if possible, and press plastic wrap directly onto the surface to limit air exposure; still, they’re best eaten the same day.
Is tuna in oil okay to use?
Tuna packed in oil works but drain most of the oil first or reduce added olive oil later in the recipe, since oilier tuna can make the filling too slick for the avocado cavity.
Can I make this ahead for meal prep?
Prepare the tuna mixture up to 3 days in advance and refrigerate; don’t stuff avocados until serving day to maintain their texture and color.
My tuna mixture seems bland—what helps brighten it?
A little extra lemon juice, a pinch more salt, or a splash of a sharp vinegar (like sherry vinegar) will lift the flavors without changing the creamy balance.
About the author
JakeHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Ingredients
- Ripe avocados2 medium avocados
- Canned tuna (packed in water), drained and flaked10 oz (drained)
- Plain Greek yogurt0.25 cup
- Red onion, finely diced2 tbsp
- Celery, finely chopped0.25 cup
- Fresh lemon juice1 tbsp
- Kosher salt0.5 tsp
- Freshly ground black pepper0.25 tsp
- Fresh cilantro or chives, chopped (for garnish)2 tbsp
Nutrition Facts
Per serving: 2 oz tuna
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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