Mediterranean Tuna Salad

Last summer my neighbor Elena brought over this incredible salad after I mentioned feeling too exhausted to cook properly in the heat. She taught me that the secret is using tuna packed in olive oil and never, ever overdressing the vegetables.

I started making this for Sunday meal prep and now my coworker asks every Monday what I brought for lunch. The combination of briny olives, bright lemon, and tender tuna just works in this way that makes people pause and ask what they are eating.

Ingredients

• Tuna in olive oil: The oil packed version makes a huge difference in moisture and flavor compared to water packed
• Cherry tomatoes: Look for ones that feel heavy and give slightly when pressed
• English cucumber: Fewer seeds and better crunch than regular cucumbers
• Red onion: Soak thin slices in ice water for ten minutes to mellow the sharp bite
• Kalamata olives: Their intense brininess is the backbone of this salad
• Fresh parsley and basil: Herbs make this taste alive rather than just assembled
• Lemon juice: Use fresh squeezed because bottled has a strange metallic aftertaste
• Extra virgin olive oil: This is not the place to use the cheap stuff from the back of your pantry
• Feta cheese: Optional but adds a creamy salty contrast that ties everything together

Instructions

Prep your vegetables:

Halve the cherry tomatoes, dice your cucumber into small cubes, thinly slice the red onion, and dice the bell pepper. Put everything in a large salad bowl along with the halved olives.

Add the tuna:

Drain the cans well and add the tuna to the vegetables. Use a fork to gently break it into satisfying chunks rather than mashing it into flakes.

Make the dressing:

Whisk together the olive oil, red wine vinegar, lemon juice, Dijon mustard, minced garlic, dried oregano, salt and pepper until the mixture thickens slightly.

Combine everything:

Pour the dressing over the salad and toss gently until every piece is lightly coated. Fold in the fresh parsley and basil.

Finish and serve:

Sprinkle crumbled feta over the top if you are using it. Serve right away or refrigerate for up to two hours to let the flavors develop.

Pin it

My friend who claims to hate tuna salad tried this at a picnic and asked for the recipe before she even finished her plate. Sometimes simple ingredients prepared with care just win people over in ways fancy cooking cannot.

Make It Your Own

I have added capers when I wanted extra brine, diced celery for crunch, and even chopped artichoke hearts when they were languishing in my refrigerator. The base recipe is forgiving as long as you keep the dressing bright and the vegetables crisp.

Serving Suggestions

This works beautifully scooped onto toasted pita, over a bed of arugula for extra greens, or even stuffed into a hollowed tomato. A crisp white wine like Sauvignon Blanc makes the meal feel complete.

Storage Solutions

Store in an airtight container for up to two days. Keep the feta separate and add fresh herbs when you are ready to eat leftovers.

• The flavors actually improve after a few hours in the refrigerator
• Bring to room temperature before serving for the best taste
• Never freeze this salad because the texture turns mealy

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This salad taught me that the most satisfying meals are often the simplest, prepared with good ingredients and a light hand.

Recipe FAQ

→ How long can I store this in the refrigerator?

This dish keeps well for up to 2 days when stored in an airtight container in the refrigerator. The flavors actually develop and meld better after a short chilling period.

→ Can I use fresh tuna instead of canned?

Absolutely. Grilled or seared fresh tuna works beautifully here. Simply cook your tuna, let it rest, then flake it into chunks before combining with the vegetables and dressing.

→ What can I substitute for the red onion?

Shallots, scallions, or sweet onion work well as alternatives. If you're sensitive to raw onion, you can rinse the sliced onion under cold water before adding to tame the bite.

→ Is this suitable for meal prep?

Yes, this is excellent for meal prep. Store the dressing separately and toss just before serving to keep the vegetables crisp. It's perfect for grab-and-go lunches throughout the week.

→ Can I make this dairy-free?

Simply omit the feta cheese for a completely dairy-free version. The dish remains delicious and satisfying with the protein from tuna and the variety of fresh vegetables.

→ What sides pair well with this?

Crusty bread, pita, or a side of quinoa make excellent accompaniments. A crisp white wine like Sauvignon Blanc or chilled rosé complements the Mediterranean flavors beautifully.