You know those days when lunchtime sneaks up on you, and you’re staring into the fridge wondering how to whip up something healthy without turning on the stove? That’s exactly how my love affair with this light tuna salad with Greek yogurt dressing began. I was rushing between work calls, starving, and needed something satisfying but not heavy. This protein-packed, low-calorie miracle came together in under 10 minutes—seriously, faster than waiting for delivery! Now it’s my go-to when I need a lunch that keeps me full without weighing me down. The best part? It tastes even better the next day, so I often make a double batch for easy lunch prep. Trust me, once you try this combo of flaky tuna and that creamy, tangy dressing, you’ll be hooked too.

Why You’ll Love This Light Tuna Salad with Greek Yogurt Dressing
Oh, where do I even start? This isn’t just another tuna salad—it’s the lunchtime hero you’ve been waiting for! Here’s why it’s become my absolute favorite:
- Lightning fast – From fridge to fork in 10 minutes flat (I’ve timed it while chasing my toddler around the kitchen!)
- Protein powerhouse – Packed with 28g of protein per serving to keep you full for hours without that post-lunch slump
- No-cook magic – Perfect for summer days when the thought of turning on the stove makes you sweat just thinking about it
- Crazy customizable – Throw in whatever veggies you’ve got (I’ve used everything from bell peppers to shredded carrots)
- Guilt-free delicious – That creamy Greek yogurt dressing gives you all the satisfaction of mayo with half the calories (and bonus probiotics!)
Seriously, this salad checks all the boxes—it’s become my secret weapon for healthy eating without feeling like I’m on a diet. The tangy dressing makes the tuna taste fresh and bright, not fishy at all. My husband—who normally turns up his nose at “healthy” food—actually asks for seconds!
Ingredients for Light Tuna Salad with Greek Yogurt Dressing
Okay, let’s talk ingredients! What I love about this recipe is how simple everything is – you probably have most of these in your kitchen right now. But there are a few little tricks I’ve learned to make it extra special. Here’s exactly what you’ll need:
For the Salad
- 2 cans tuna in water, drained – And I mean really drained! I press mine with a fork against the can to get every last drop out. Nobody wants a soggy salad.
- 1/2 cup cherry tomatoes, halved – The sweet pop of these little guys is my favorite part. If they’re not in season, diced regular tomatoes work too.
- 1/4 cup red onion, finely diced – Pro tip: soak the diced onion in cold water for 5 minutes to take the edge off if you’re sensitive to the bite.
- 1/4 cup cucumber, diced – I prefer English cucumbers since they’re less watery, but any kind will do in a pinch.
For the Dressing
- 1/4 cup plain Greek yogurt – Full-fat gives the creamiest texture, but low-fat works too. Just please, not non-fat – it’s too runny! Why I love Greek yogurt.
- 1 tbsp lemon juice – Fresh squeezed makes all the difference here. That bottled stuff just doesn’t have the same bright flavor.
- 1 tsp dijon mustard – My secret weapon! It adds depth without being overpowering.
- 1/2 tsp dried dill – Or fresh if you’ve got it – just double the amount.
- Salt and pepper to taste – I’m generous with both – the flavors really pop when properly seasoned.
See? Nothing fancy, just good, fresh ingredients. The magic happens when they all come together – trust me on this one!
How to Make Light Tuna Salad with Greek Yogurt Dressing
Alright, let’s get mixing! This is so easy you could practically do it with your eyes closed (though I don’t recommend it – onion chopping accidents are real). Here’s my foolproof method for the perfect light tuna salad every single time:
- Combine the salad ingredients – Grab your biggest mixing bowl and toss in the tuna, cherry tomatoes, red onion, and cucumber. I like to break up the tuna with a fork first – it helps distribute everything evenly. Don’t be gentle here – really flake that tuna apart!
- Whisk the dressing – In a smaller bowl, whisk together the Greek yogurt, lemon juice, dijon mustard, dried dill, salt, and pepper. Taste as you go – sometimes I add an extra squeeze of lemon if it needs more zing.
- Toss it all together – Pour that gorgeous dressing over your tuna mixture and gently fold everything together. I use a rubber spatula for this – it’s gentler than a spoon and won’t smash your tomatoes.
- Serve or store – You can eat it right away, but I promise it gets even better after chilling for at least 30 minutes. It’ll keep beautifully in the fridge for up to 2 days (if it lasts that long!).

One crucial thing – make sure your tuna is really well drained! I press mine between paper towels to get every last drop of liquid out. Soggy tuna salad is a sad tuna salad.
Pro Tip for the Best Texture
Want restaurant-quality texture? After draining the tuna, spread it on a paper towel-lined plate and pat it dry. Let it sit for 5 minutes while you prep the other ingredients. This extra step makes all the difference – no watery dressing or mushy veggies!
Ingredient Substitutions and Variations
Here’s my favorite thing about this light tuna salad with Greek yogurt dressing – it’s totally forgiving and versatile! Stuck without an ingredient? No worries, I’ve got swaps that’ll save your lunch:
Cucumber out? Try celery – It gives that same fresh crunch. Or bell peppers for color!
No lemons? Lime juice works – It’s tangier, so start with half and adjust to taste. White wine vinegar’s good in a pinch too.
Here’s my current obsession: add diced avocado right before serving. It makes the salad extra creamy – like a deconstructed sushi roll! Just don’t mix it in if you’re meal prepping (avocado turns brown overnight).
The only things I don’t mess with? The Greek yogurt (regular yogurt is too thin) and the dijon (yellow mustard just isn’t the same). Everything else is fair game for your creative twists! Sometimes I throw in a handful of that tropical fruit salad for a sweet surprise – sounds weird, but the contrast is amazing.
Serving Suggestions for Light Tuna Salad
Oh honey, this isn’t just a salad—it’s a whole meal waiting to happen in so many delicious ways! Here’s how I love to serve my light tuna salad with Greek yogurt dressing when I’m feeling creative:
- On a bed of greens – My go-to! Pile it high over spinach or butter lettuce—the dressing acts like a bonus salad dressing. Add some sliced avocado if you’re feeling fancy.
- In a wrap – Spread it on a whole wheat tortilla with extra crunchy veggies for texture. Pro tip: warm the tortilla first—it makes rolling so much easier.
- With crackers – Perfect for lunches at my desk! I use whole grain crackers or—when I’m treating myself—those fancy rosemary sea salt ones. So good!
- As a dip – Thin the dressing slightly with extra lemon juice and serve with pita chips. My book club girls go nuts for this version!
Sometimes I even stuff it in a flaky croissant when I’ve got leftovers—absolute heaven! The best part? Every single one of these options still feels light and fresh. Who said healthy eating had to be boring?

Storage and Meal Prep Tips
Here’s the scoop on keeping your light tuna salad with Greek yogurt dressing fresh and fabulous! Store it in an airtight container in the fridge—it’ll stay perfect for up to 2 days (mine never lasts that long—someone always finds it!). Freezing’s a no-go though—the yogurt dressing gets weirdly grainy when thawed. Pro tip for meal prep: make the dressing separately and toss it with the salad right before eating. That way your veggies stay crisp all week!
Nutritional Benefits of Light Tuna Salad with Greek Yogurt Dressing
Let’s talk about why this isn’t just delicious—it’s downright good for you! Every bite of this light tuna salad packs a whopping 28g of protein thanks to that tuna and Greek yogurt combo. That’s like eating three eggs—but way more satisfying if you ask me! And get this—only 2g of fat per serving. I’ve had salads with dressings that contain twice that for just the dressing alone!
The Greek yogurt brings probiotics to the party, which my stomach thanks me for later. Plus, between the vitamin C from the lemon juice and tomatoes (15% of your daily needs!), and all that vitamin A and iron from the veggies, you’re practically eating sunshine in a bowl. Even the cucumber sneaks in potassium—who knew?
Now, full disclosure—those nutrition numbers are estimates based on my exact ingredients. If you go wild with the avocado like I sometimes do (no regrets!), your counts might differ slightly. But honestly? That’s what I love—this recipe lets you eat well without obsessing over every number. It’s healthy fuel that actually tastes amazing—the holy grail of lunchtime meals!
Frequently Asked Questions
Can I use canned salmon instead of tuna?
Absolutely! Salmon works beautifully here—just make sure to remove any bones and skin first. The Greek yogurt dressing pairs perfectly with its rich flavor. I actually make this swap at least once a month for variety!
Is the Greek yogurt dressing too tangy?
Not at all! The lemon juice and dijon add brightness, but the Greek yogurt mellows everything out. If you’re worried, start with half the lemon juice and add more to taste. My toddler happily gobbles it up, so it’s definitely not overpowering!
How can I make this salad spicier?
Ooh, my favorite trick! Add a pinch of cayenne to the dressing or mix in some diced jalapeños with the veggies. I sometimes stir in a teaspoon of sriracha when I’m feeling adventurous—gives it such a fun kick!
Can I make this dairy-free?
For sure! Swap the Greek yogurt with unsweetened coconut yogurt—just make sure it’s the thick, Greek-style variety. The flavor changes slightly but still tastes amazing. My vegan sister swears by this version!
Is this salad good for meal prep?
Hands down yes! Keep the dressing separate until you’re ready to eat, and it’ll stay fresh for up to 4 days. I prep the chopped veggies and tuna mixture in one container and the dressing in another—lunch is ready in seconds all week!
Rate This Recipe
Did this light tuna salad with Greek yogurt dressing become your new lunch obsession like it did mine? I’d love to hear how it turned out for you! Drop a quick rating below or share your creative twists in the comments. Your feedback helps me create more recipes you’ll love. And if you ever have questions, don’t hesitate to reach out – I’m always happy to help!


Light Tuna Salad with Greek Yogurt Dressing
Ingredients
Equipment
Method
- In a mixing bowl, combine the tuna, cherry tomatoes, red onion, and cucumber.
- In a separate bowl, whisk together the Greek yogurt, lemon juice, dijon mustard, dried dill, salt, and pepper.
- Pour the dressing over the tuna mixture and gently toss to combine.
- Serve immediately or refrigerate for up to 2 days.
Nutrition
Notes
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